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Summary: Background: Re‐exploration following caesarean birth and the associated maternal morbidity has not been investigated in the UK. Our aims were to determine the national incidence and identify the associated risk factors. Methods: We conducted a prospective observational case–control study across 194 UK consultant‐led maternity units in women whose caesarean birth was complicated by a re‐exploration. Independent factors for re‐exploration were analysed using multivariable multi‐level mixed effects logistic regression. Results: Over the study period (1 June 2021 and 31 May 2022) 238,423 caesarean births were recorded across the UK of which 187 women underwent re‐exploration, giving an incidence of one re‐exploration per 1282 caesarean births (95%CI 1:1099–1:1471). Haemorrhage (124/187, 66.3%) and sepsis (31/187, 16.6%) were the most common findings at re‐exploration. Median (IQR [range]) time interval to re‐exploration following the caesarean birth was 1 (0–4 [0–28]) day. Mechanical ventilation was required in 34 (18.6%) women, cardiac arrest was reported in 5 (2.7%) and 3 (1.6%) women died. Independent preceding factors associated with a re‐exploration included: receipt of blood transfusion (adjusted OR (95%CI) 8.25 (2.66–25.61)); use of a general anaesthetic (adjusted OR (95%CI) 3.33 (1.61–6.88)); pre‐eclampsia (adjusted OR (95%CI) 3.27 (1.55–6.91)); black ethnicity (adjusted OR (95%CI) 3.14 (1.39–7.11)); postpartum haemorrhage (adjusted OR (95%CI) 2.82 (1.81–4.37)); use of anticoagulants or antiplatelet drugs pre‐caesarean birth (adjusted OR (95%CI) 2.26 (1.35–3.81)); and emergency caesarean birth (adjusted OR (95%CI) 1.89 (1.01–3.57)). Conclusion: Re‐exploration following caesarean birth in the UK is uncommon but is associated with significant maternal morbidity and mortality. These study findings will help guide informed consent and encourage appropriate surveillance of high‐risk women postpartum. [ABSTRACT FROM AUTHOR]

ABSTRACT Background Methods Results Conclusion The increase in the number of people choosing community birth has raised interest in understanding the factors that influence birth setting choices. This study investigates how parity influences the association between maternal socioeconomic factors and choice of community versus hospital birth.We used 2009–2021 US birth certificate data to identify community births (planned home or birth center births), parity, and maternal characteristics, including Women, Infants, and Children (WIC) program participation, race, ethnicity, educational attainment, marital status, body mass index (BMI), and age. Parity was interacted with each covariate in a multivariable logistic regression model of birth setting.Among 26,526,010 eligible births, 58% were to multiparous mothers, with 1.9% occurring in a birth center or at home. For most maternal characteristics, associations with community birth were stronger in the multiparous group compared to the nulliparous group. For example, being married was associated with greater odds of community birth in both groups, but the strength of this association was greater within the multiparous group (odds ratio 4.00 vs. 1.94, interaction p < 0.001). The same pattern (stronger association with community birth in the multiparous group than in the primiparous group) was observed for race/ethnicity, educational attainment, and WIC participation, all of which were associated with lower odds of community birth.This study shows that parity significantly moderates associations between maternal socioeconomic characteristics and birth setting, implying studies of decision‐making in this context should purposively stratify samples and analyses by parity. [ABSTRACT FROM AUTHOR]

Objective: To compare maternal demographics based on occupation coding status and evaluate potential bias by excluding manually coded occupations. Methods: This case-control study assessed cases with clefts obtained from the Texas Birth Defects Registry. The NIOSH Industry and Occupation Computerized Coding Systemautomatically coded occupations, withmanual coding for unclassified cases. Maternal demographics were tabulated by occupation coding status (manual vs. automatic). Logistic regression examined associations between major occupation groups and clefts. Results: Automatic coding covered over 90% of all mothers. Building, grounds cleaning, and maintenance occupations, and office and administrative support occupations were significantly associated with cleft lip with or without cleft palate, even after excluding manually coded occupations. Conclusion: We found consistent associations before and after excluding manually coded data for most comparisons, suggesting that machine learning can facilitate occupation-related birth defects research. [ABSTRACT FROM AUTHOR]

Objective: To assess the impact of historical redlining on the risk of pregnancy complications and adverse birth outcomes in Massachusetts (MA) from 1995 to 2015. Methods: In total, 288,787 pregnant people from the MA Birth Registry had information on parental characteristics, pregnancy factors, and redlining data at parental residences at the time of delivery. Historic redlining data were based on MA Home Owners' Loan Corporation (HOLC) security maps, with grades assigned (A "best," B "still desirable," C "definitely declining," and D "hazardous"). We used covariate-adjusted binomial regression models to examine associations between HOLC grade and each chronic condition and pregnancy/birth outcome. Results: Living in HOLC grades B through D compared with A was associated with an increased risk of entering pregnancy with chronic conditions and adverse pregnancy/birth outcomes. The strongest associations were seen with pregestational diabetes (adjusted risk ratio [RR] Grade D: 1.7, 95% confidence interval [CI]: 1.3, 2.4) and chronic hypertension (adjusted RR Grade D: 1.5, 95% CI: 1.1, 1.9). Conclusions: Historical redlining policies from the 1930s were associated with adverse pregnancy outcomes and chronic conditions; associations were strongest for chronic conditions in pregnancy. [ABSTRACT FROM AUTHOR]

Introduction: Cesarean section at full dilatation has been associated with an increased risk of subsequent preterm birth. We hypothesized that there may be an increased risk of miscarriage in pregnancies that follow cesarean section at full dilatation. This study aimed to determine if a first‐term (≥37 weeks) cesarean section at full dilatation is associated with an increased risk of miscarriage in the next pregnancy. Material and Methods: A historical cohort study was conducted using routinely collected hospital data within the Aberdeen Maternity and Neonatal Databank (AMND). The population included were women who had a first‐term birth and who had a second birth recorded within the AMND. Logistic and multinomial regression was used to determine any association with miscarriage at any gestation and for early (<13 weeks gestation) and late (13–23 + 6 weeks gestation) miscarriage, with cesarean section at full dilatation defined as the exposure. Miscarriage in the second pregnancy (spontaneous loss of intrauterine pregnancy prior to 24 weeks gestation) was the primary outcome. Results: In total, 33 452 women were included. Women who had a first cesarean section at full dilatation were no more likely to have a miscarriage at any gestation than women with all other modes of first birth (including all vaginal births, planned CS, and the first stage of labor (<10 cm dilated CS)) [adjusted OR 0.84 (0.66–1.08); p = 0.18]. There was no association with early or late miscarriage after a CSfd, though the sample size for late miscarriage was small. Conclusions: This is the first observational study to investigate the risk of miscarriage following first‐term CSfd. We found no association between miscarriage at any gestation following a first‐term CSfd compared to all other modes of first birth. [ABSTRACT FROM AUTHOR]

Objective This study aimed to examine the temporal trends of severe maternal morbidity (SMM) in the U.S. population in relation to trends in maternal comorbidity. Study Design We performed a repeated cross-sectional analysis of data from individuals at 20 weeks' gestation or greater using U.S. birth certificate data from 2011 to 2021. Our primary outcome was SMM defined as the occurrence of intensive care unit admission, eclampsia, hysterectomy, uterine rupture, and blood product transfusion. We also examined the proportions of maternal comorbidity. Outcomes of the adjusted incidence rate ratio (IRR) with 99% confidence intervals (99% CIs) for 2021 m12 compared with 2011 m1 were calculated using negative binomial regression, controlling for predefined confounders. Results There were 42,504,125 births included in the analysis. From 2011 m1 to 2021 m12, there was a significant increase in the prevalence of advanced maternal age (35–39 [45%], 40–44 [29%], and ≥45 [43%] years), morbid obesity (body mass index 40–49.9 [66%], 50–59.9 [91%], and 60–69.9 [98%]), previous cesarean delivery (14%), chronic hypertension (104%), pregestational diabetes (64%), pregnancy-associated hypertension (240%), gestational diabetes (74%), and preterm delivery at 34 to 36 weeks (12%). There was a significant decrease in the incidence of multiple gestation (9%), preterm delivery at 22 to 27 weeks (9%), and preterm delivery at 20 to 21 weeks (22%). From 2011 m1 to 2021 m12, the incidence of SMM increased from 0.7 to 1.0% (crude IRR 1.60 [99% CI 1.54–1.66]). However, the trend was no longer statistically significant after controlling for confounders (adjusted IRR 1.01 [95% CI 0.81–1.27]). The main comorbidity that was associated with the increase in SMM was pregnancy-associated hypertension. Conclusion The rise in the prevalence of comorbidity in pregnancy seems to fuel the rise in SMM. Interventions to prevent SMM should include the management and prevention of pregnancy-associated hypertension. Key Points The rise in maternal mortality is related to morbidity. Pregnancy-associated hypertension increases morbidity. There were increasing trends in age, body mass index, and medical conditions. [ABSTRACT FROM AUTHOR]

Objective Our objective was to describe infant mortality within 1 year of life according to gestational age and birth weight percentile in infants delivered between 22 and 28 weeks of gestation. Study Design This study was a retrospective cohort study based on publicly available U.S. birth certificate data linked to infant death data between 2014 and 2020. Maternal–neonate pairs of singleton live births between 22 0/7 and 28 6/7 weeks' gestation (vaginal or cesarean) were evaluated. We excluded infants with major fetal anomalies, chromosomal disorders, and birth weight outliers. Our primary outcome was infant mortality within 1 year of life. Individuals were categorized into eight sex-specific birth weight percentiles categories: less than the 3rd, 3rd-less than the 10th, 10th-less than the 25th, 25th-to less than the 50th, 50th-less than the 75th, 75th-to less than the 90th, 90th-less than the 97th, and 97th or higher. Results Of 27,014,444 individuals with live births from January 2014 to December 2020, 151,677 individuals who gave birth at 22 to 28 weeks of gestation were included in the study population. The mortality rate ranged from 4.2% for the 50th-less than the 75th percentiles at 28 weeks to 80.3% for the 3rd-less than the 10th percentile at 22 weeks. Using the 50th-less than the 75th birth weight percentile at each gestational age as a reference group, birth weight less than the 50th percentile was associated with increased mortality at all gestational ages in a dose-dependent manner. From 22 to 25 weeks of gestation, higher birth weight percentiles were associated with lower mortality, while the 97th or higher birth weight percentile was associated with increased mortality compared with the 50th-less than the 75th birth weight percentile at 26 to 28 weeks of gestation. Conclusion The lower birth weight percentiles were associated with higher mortality across all gestational ages, but the association between higher birth weight percentiles and infant mortality exhibited an opposite pattern at 22 to 25 weeks as compared to later gestational age. Key Points Birth weight ≥97th percentile was associated with increased infant mortality at 26 to 28 weeks. Higher birth weight percentiles were associated with a lower risk of mortality at 22 to 25 weeks. Lower birth weight percentiles were associated with a higher risk of mortality at 22 to 28 weeks. [ABSTRACT FROM AUTHOR]

Background and Objectives Methods Results Discussion and Conclusions Scientific Significance Prenatal cannabis use prevalence in the United States has increased. Relaxation of state‐level cannabis policy may be contributing to the diminished risk perception of using cannabis. The main psychoactive constituent of cannabis, delta‐9‐tetrahydrocannabinol, crosses the placenta, interacting with functional cannabinoid receptors in the fetus. Here, we assess the association between prenatal cannabis exposure (PCE) and a set of birth outcomes.Using the Michigan Archive for Research on Child Health, a prospective pregnancy cohort, we linked prenatal survey data with neonatal data from state‐archived birth records. Recruitment occurred in 23 clinics across Michigan. Pregnant participants with live birth records between October 2017 and January 2022, after exclusion for missing data on cannabis use, birth outcomes, and covariates, were included in the final analytic sample (n = 584). Analyses involved generalized linear models.An estimated 15% (95% confidence interval [CI]: 12%, 18%) of participants reported using cannabis during pregnancy. Covariate‐adjusted models revealed an association between PCE and birth size (ß = −0.3; 95% CI: −0.5, −0.003).Findings suggest a relationship between PCE and smaller birth size. Clinicians should follow guidelines outlined by the American College of Obstetricians and Gynecologists when counseling pregnant patients on cannabis use.We detected a significant association between PCE and birth size. Most studies focus only on the extremes of birth size, however, use of z‐scores allow for assessment of the sex‐specific birth weight‐for‐gestational age distribution, increasing the accuracy of detecting an effect of cannabis exposure on birth size. [ABSTRACT FROM AUTHOR]

Background Astrovirus is a leading cause of acute gastroenteritis in children worldwide. However, few prospective studies have analyzed astrovirus in community-dwelling pediatric populations in low- and middle-income countries. Methods We assessed the incidence, risk factors, clinical characteristics, genotypes, viral coinfections, and time distribution of astrovirus gastroenteritis in 443 healthy Nicaraguan children born in 2017 to 2018 who were followed for 36 months. Children were recruited from hospitals and birth records in an economically diverse neighborhood of León city. Astrovirus-positive episodes and genotypes were identified from stool with reverse transcription quantitative polymerase chain reaction and Sanger sequencing. Results Of 1708 total specimens tested, 80 children (18%) experienced at least 1 astrovirus episode, and 9 experienced repeat episodes, mostly during the rainy season (May–October). Initial astrovirus episodes were not associated with a lowered risk against future episodes. In exploratory analyses, home toilets were associated with a lower risk of future astrovirus episodes (hazard ratio, 0.19; 95% CI,.04–.91). Human astrovirus 5 episodes, representing 15% of all typed episodes, were associated with longer diarrhea and more symptomatic rotavirus coinfections. Conclusions Astrovirus was a common cause of gastroenteritis in this cohort, and future studies should clarify the role of astrovirus genotype in clinical infection severity. [ABSTRACT FROM AUTHOR]

Background: An understanding of viral testing rates is crucial to accurately estimate the pathogen‐specific hospitalisation burden. We aimed to estimate the patterns of testing for respiratory syncytial virus (RSV), influenza virus, parainfluenza virus (PIV) and human metapneumovirus (hMPV) by geographical location, age and time in children <5 years old in Western Australia. Methods: We conducted a population‐based cohort study of children born between 1 January 2010 and 31 December 2021, utilising linked administrative data incorporating birth and death records, hospitalisations and respiratory viral surveillance testing records from state‐wide public pathology data. We examined within‐hospital testing rates using survival analysis techniques and identified independent predictors of testing using binary logistic regression. Results: Our dataset included 46,553 laboratory tests for RSV, influenza, PIV, or hMPV from 355,021 children (52.5% male). Testing rates declined in the metropolitan region over the study period (RSV testing in infants: from 242.11/1000 child‐years in 2012 to 155.47/1000 child‐years in 2018) and increased thereafter. Conversely, rates increased in non‐metropolitan areas (e.g., RSV in Goldfields: from 364.92 in 2012 to 504.37/1000 child‐years in 2021). The strongest predictors of testing were age <12 months (adjusted odds ratio [aOR] = 2.25, 95% CI 2.20–2.31), preterm birth (<32 weeks: aOR = 2.90, 95% CI 2.76–3.05) and remote residence (aOR = 0.77, 95% CI 0.73–0.81). Conclusion: These current testing rates highlight the potential underestimation of respiratory virus hospitalisations by routine surveillance and the need for estimation of the true burden of respiratory virus admissions. [ABSTRACT FROM AUTHOR]

BACKGROUND AND OBJECTIVES: Hypoxic-ischemic encephalopathy (HIE) is a leading cause of neonatal morbidity and mortality. Therapeutic hypothermia (TH), a proven treatment of moderate-severe HIE, was first used clinically after 2006. We describe trends in HIE diagnosis and use of TH over a 10-year period in California. METHODS: We identified 62 888 infants, ≥36 weeks gestation, who were cared for in California Perinatal Quality Care Collaborative-participating NICUs between 2010 and 2019, and linked them to birth certificate data. We evaluated trends in HIE diagnosis and use of TH. RESULTS: Over time, rates of HIE diagnosis increased from 0.6 to 1.7 per 1000 live births, and use of TH increased from 26.5 to 83.0 per 1000 infants. Rates of moderate HIE increased more than mild or severe, although use of TH for mild HIE increased more than for moderate. Of those with moderate-severe HIE, 25% remain untreated. Treatment varied by NICU level of care. CONCLUSIONS: The rates of HIE and TH increased steadily. Some infants with moderate-severe HIE remain untreated, suggesting a need for ongoing education. Further evaluation of systems of care is needed to assure all qualifying infants are treated. [ABSTRACT FROM AUTHOR]

STUDY QUESTION Is there an elevated risk of cyanotic congenital heart defects (CCHD) among livebirths following infertility treatments? SUMMARY ANSWER In this population-based study of single livebirths, infertility treatment (either ART or non-ART) was associated with a higher prevalence of CCHD among livebirths. WHAT IS KNOWN ALREADY The use of infertility treatment has been on the rise over the past few decades. However, there are limited studies assessing the risk of major cardiac defects following infertility treatments. STUDY DESIGN, SIZE, DURATION A retrospective cohort study of livebirth data from the National Vital Statistics System (NVSS) was conducted, comprising of 9.6 million singleton livebirths among first-time mothers aged 15–49 years from 2016 to 2022. PARTICIPANTS/MATERIALS, SETTING, METHODS Information on infertility treatment use and CCHD was obtained from the health and medical information section of birth certificates, which was completed by healthcare staff after reviewing medical records. Logistic regression models were used to estimate odds ratios (OR) and 95% CI. Entropy balancing weighting analysis and probabilistic bias analysis were also performed. MAIN RESULTS AND THE ROLE OF CHANCE The proportion of births following infertility treatment increased from 1.9% (27 116) to 3.1% (43 510) during the study period. Overall, there were 5287 cases of CCHD resulting in a prevalence of 0.6 per 1000 livebirths. The prevalence was 1.2 per 1000 live births among infertility treatment users (ART: 1.1 per 1000 livebirths; non-ART: 1.3 per 1000 livebirths) while that for naturally conceived births was 0.5 per 1000 livebirths. Compared to naturally conceived births, the use of any infertility treatment (OR: 2.06, 95% CI: 1.82–2.33), either ART (OR: 2.02, 95% CI: 1.73–2.36) or other infertility treatments (OR: 2.12, 95% CI: 1.74–2.33), was associated with higher odds of CCHD after adjusting for maternal and paternal age, race and ethnicity, and education, as well as maternal nativity, marital status, source of payment, smoking status, and pre-pregnancy measures of BMI, hypertension and diabetes. This association did not differ by the type of infertility treatment (ART versus other infertility treatments) (OR: 1.04, 95% CI: 0.82–1.33, P  = 0.712), and was robust to the presence of exposure and outcome misclassification bias and residual confounding. LIMITATIONS, REASONS FOR CAUTION The findings are only limited to livebirths. We did not have the capacity to examine termination data, but differential termination by mode of conception has not been supported by previous studies designed to consider it. Infertility treatment use was self-reported, leading to the potential for selection bias and misclassification for infertility treatment and CCHD. However, the association persisted when systematic bias as well as exposure and outcome misclassification bias were accounted for in the analyses. Information on the underlying etiology of infertility relating to either maternal, paternal, or both factors, data on specific types of ART and other infertility treatments, as well as information on subtypes of CCHD, were all not available. WIDER IMPLICATIONS OF THE FINDINGS In light of the increasing trend in the use of infertility treatment in the USA, and elsewhere, the finding of the current study holds significant importance for the clinical and public health of reproductive-aged individuals. The data show that the use of infertility treatment may expose offspring to elevated odds of severe congenital heart defects such as CCHD studied here. These findings cannot be interpreted causally. While our findings can assist in preconception counseling and prenatal care for pregnancies conceived by either ART or other infertility treatments, they also support some current recommendations that pregnancies resulting from infertility treatments undergo fetal echocardiography screening. STUDY FUNDING/COMPETING INTEREST(S) No funding was sought for the study. The authors declare that they have no conflict of interest. TRIAL REGISTRAION NUMBER N/A [ABSTRACT FROM AUTHOR]

Objectives: Evidence is limited on differences in cesarean rates for nulliparous, term, singleton, vertex (NTSV) births across racial and ethnic groups at the national and state level during the COVID-19 pandemic. We assessed changes in levels and trends of NTSV cesarean rates before and after stay-at-home orders (SAHOs) were implemented in the United States (1) overall, (2) by racial and ethnic groups, and (3) by 50 US states from January 2017 through December 2021. Methods: We used birth certificate data from 2017 through 2021, restricted to hospital births, to calculate monthly NTSV cesarean rates for the United States and for racial and ethnic groups and to calculate quarterly NTSV cesarean rates for the 50 states. We used interrupted time-series analysis to measure changes in NTSV cesarean rates before and after implementation of SAHOs (March 1 through May 31, 2020). Results: Of 6 022 552 NTSV hospital births, 1 579 645 (26.2%) were cesarean births. Before implementation of SAHOs, NTSV cesarean rates were declining in the United States overall; were declining among births to non-Hispanic Asian, non-Hispanic Black, Hispanic, and non-Hispanic White women; and were declining in 6 states. During the first month of implementation of SAHOs in May 2020, monthly NTSV rates increased in the United States by 0.55%. Monthly NTSV rates increased by 1.20% among non-Hispanic Black women, 0.90% among Hispanic women, and 0.28% among non-Hispanic White women; quarterly NTSV rates increased in 6 states. Conclusion: In addition to emergency preparedness planning, hospital monitoring, and reporting of NTSV cesarean rates to increase provider awareness, reallocation and prioritization of resources may help to identify potential strains on health care systems during public health emergencies such as the COVID-19 pandemic. [ABSTRACT FROM AUTHOR]

The article "Getting more out of JRI-Poland. Part 3: death records" by Leigh Dworkin focuses on utilizing JRI-Poland to access death records for genealogical research. The author highlights the benefits of purchasing extracted records from specific towns, emphasizing the speed and accuracy of translations compared to other sources. The article discusses the challenges of finding death records for specific individuals, such as Aria Jelen, and the importance of searching within records to pinpoint correct individuals. The author also shares personal experiences and insights gained from exploring death records in Zambrów. [Extracted from the article]

Background: Despite many efforts to provide children with legal existence over the last decades, 1 in 4 children under the age of 5 (166 million) do not officially exist, with limited possibility to enjoy their human rights. In Latin America and the Caribbean, Haiti has one of the highest rates of undocumented births. This study aimed to analyze the prevalence and the determinant factors of undocumented childhood in Haiti. Methods: For analysis of undocumented childhood and related socioeconomic determinants, data from the 2016/17 Haiti demographic and health survey were used. The prevalence and the associated factors were analyzed using descriptive statistics and the binary logistic regression model. Results: The prevalence of undocumented childhood in Haiti was 23% (95% CI: 21.9–24.0) among children under-five. Among the drivers of undocumented births, mothers with no formal education (aOR = 3.88; 95% CI 2.21–6.81), children aged less than 1 year (aOR = 20.47; 95% CI 16.83–24.89), children adopted or in foster care (aOR = 2.66; 95% CI 1.67–4.24), children from the poorest regions like "Artibonite" (aOR = 2.19; 95% CI 1.63–2.94) or "Centre" (aOR = 1.51; 95% CI 1.09–2.10) or "Nord-Ouest" (aOR = 1.61; 95% CI 1.11–2.34), children from poorest households (aOR = 6.25; 95% CI 4.37–8.93), and children whose mothers were dead (aOR = 2.45; 95% CI 1.33–4.49) had higher odds to be undocumented. Conclusion: According to our findings, there is an institutional necessity to bring birth documentation to underprivileged households, particularly those in the poorest regions where socioeconomic development programs are also needed. Interventions should focus on uneducated mothers who are reknown for giving birth outside of medical facilities. Therefore, an awareness campaign should be implemented to influence the children late-registering behavior. [ABSTRACT FROM AUTHOR]

ABSTRACT Introduction Methods Results Conclusion In the context of adverse in utero environments, the fetal brain might be preserved at the expense of other tissues. This trade‐off, brain sparing, has not been studied in the context of maternal infection. We investigated cases of maternal syphilis in the early 20th century and influenza during the 1918–1920 pandemic, in the Swiss city of Lausanne, a relatively high‐income setting. We tested the brain sparing hypothesis, that head circumference is protected at the expense of birth weight.A total of 8530 individual birth records from 1911 to 1922 from the University Maternity Hospital of Lausanne were used. We fitted generalized linear and additive linear models to explain how neonatal size varies under disease exposure.Influenza reduced head circumference and birth weight among livebirths similarly, by −0.11 and −0.14 standard deviation (SD) units respectively. Conversely, for syphilis‐exposed infants, head circumference was affected more than birth weight (−0.61 SD vs. −0.46 SD). Stillborn infants exposed to syphilis experienced a much greater reduction in head circumference (−1.92 SD) than liveborn infants. After adjustment for gestational age, these findings persisted in the case of influenza, but the effects of syphilis were reduced. Furthermore, half of syphilis‐exposed infants were born before term, suggesting that lower infant size was partly mediated by shorter gestation. Nevertheless, head circumference among stillbirths exposed to syphilis was still substantially reduced, even after adjustment for gestational age (−1.26 SD).Our findings do not support the brain sparing hypothesis. Moreover, the substantial reduction in head circumference among syphilis‐exposed fetuses might help explain why a quarter of them were stillborn. [ABSTRACT FROM AUTHOR]

Background Objective Search Strategy Selection Criteria Data Collection and Analysis Main Results Conclusion Around half of preterm births lack identifiable causes, indicating the need for further investigation to understand preterm birth risk factors. Existing studies on the intergenerational association of preterm birth showed inconsistency in effect size and direction.This systematic review and meta‐analysis aimed to review existing studies and provide comprehensive evidence on the intergenerational association of preterm births.We searched MEDLINE, Embase and Maternity and Infant Care databases, from the inception of each database to 04 April 2024.Eligibility criteria included studies that reported on women who had given birth and had recorded information about a family history of preterm birth in one or both of the child's biological parents.Data were extracted by two independent reviewers. A random‐effects model was used to compute pooled estimates using odds ratios.Sixteen eligible studies with a total of 2 271 612 mothers were included. The findings indicated a 1.44 (OR = 1.44, 95% CI: 1.34, 1.54) fold increase in odds of giving preterm births among women who were born preterm. Additionally, having a sibling born preterm (OR = 1.53, 95% CI: 1.24, 1.87) and having a partner born preterm (OR = 1.12, 95% CI: 1.01, 1.25) were associated with increased likelihood of giving preterm births among women.The study revealed that women with a family history of preterm birth face an increased risk of giving preterm births. Screening pregnant women for a family history of preterm birth is essential, with those having a positive family history requiring closer follow‐up. [ABSTRACT FROM AUTHOR]

The list of standard abbreviations for JDS is available at adsa.org/jds-abbreviations-24. Nonstandard abbreviations are available in the Notes. The main aim of the current study was to find biomarkers of health in calves transported at different ages. The selected blood parameters were total cholesterol, insulin, and IGF-1, and the longitudinal study investigated whether or not these concentrations were different between calves that were transported from the dairy farm to the veal farm at 14 or 28 d of age. Relationships between these blood variables and health characteristics of veal calves were investigated. In a 34-wk study period, a total of 683 calves originating from 13 Dutch dairy farms were transported at an age of 14 or 28 d to 8 Dutch veal farms. Calves were blood sampled the first week after birth (mean and SD: 4.4 ± 2.1 d), 1 d before transport (mean and SD: 25.8 ± 7.3 d), and in wk 2 post-transport (mean and SD: 36.7 ± 12.2 d). In these samples, insulin, IGF-1, and total cholesterol were determined and analyzed with a linear mixed model (LMM). Individual medical treatments were recorded from birth until the day of transport at the dairy farm, and from the moment of arrival at the veal farm until slaughter, and analyzed as a binary response variable (calf treated or not) with a generalized LMM. Fecal (calf with or without loose or liquid manure) and navel (calves with or without swollen and inflamed navel) scores measured during a single visit in wk 2 post-transport were also analyzed as binary response variables, whereas carcass weights at slaughter age were analyzed with a LMM. Cholesterol, insulin, and IGF-1 were included as covariates in the previous models to test their relationships with the likelihood of calves being medically treated, fecal and navel scores, and carcass weights. One day before transport 28-d-old calves had higher blood cholesterol (Δ = 0.40 mmol/L) and IGF-1 (Δ = 53.6 ng/mL) concentrations, and evidence of higher insulin (Δ = 12.2 µU/mL) compared with 14-d-old calves. In wk 2 post-transport, 28-d-old calves had higher blood IGF-1 (Δ = 21.1 ng/mL), with evidence of higher insulin (Δ = 12.2 µU/mL) concentrations compared with 14-d-old calves. Cholesterol concentration measured 1 d before transport and in wk 2 post-transport had a positive relationship with carcass weight at slaughter (regression coefficients [β] = 4.8 and 7.7 kg/mmol per liter, respectively). Blood cholesterol concentration in wk 2 post-transport was negatively associated with the fecal score measured at the same sampling moment (β = −0.55/mmol/L), with the likelihood of a calf of being treated with antibiotics (β = −0.36/mmol/L) and other medicines (β = −0.45/mmol/L) at the veal farm. Blood IGF-1 concentration in wk 2 post-transport was negatively associated with the likelihood of a calf of being treated with antibiotics and other medicines (both β = −0.01/ng/mL) at the veal farm, and with fecal score recorded in wk 2 post-transport (β = −0.004/ng/mL). When looking at the blood indicators, it appeared that calves transported at 28 d of age were more developed compared with 14-d-old calves, thus transport at an older age might be more beneficial for the animals. It can be concluded that both blood cholesterol and IGF-1 concentrations seemed to be valuable biomarkers of health and energy availability in veal calves. [ABSTRACT FROM AUTHOR]

Introduction: We investigated 2018 gestational diabetes mellitus (GDM) prevalence estimates in three surveillance systems (National Vital Statistics System, State Inpatient Database, and Pregnancy Risk Assessment Monitoring Survey). Methods: We calculated GDM prevalence for jurisdictions represented in each system; a subset of data was analyzed for people 18–39 years old in 22 jurisdictions present in all three systems to observe dataset-specific demographics and GDM prevalence using comparable categories. Results: GDM prevalence estimates varied widely by data system and within the data subset despite comparable demographics. Discussion: Understanding the differences between GDM surveillance data systems can help researchers better identify people and places at higher risk of GDM. Significance: What is Already Known on this Subject?: Gestational diabetes mellitus (GDM) prevalence varies by data system and population. Estimates of GDM prevalence are essential to inform prevention, identification, and management programs. What this Report Adds?: GDM prevalence estimates varied widely by data system (NVSS, SID, PRAMS) and participant demographics varied only slightly when a subset of comparable data were evaluated using jurisdictions available in all three systems (21 states and the District of Columbia). Understanding the differences between surveillance data systems can help researchers better identify people and places at higher risk of GDM. [ABSTRACT FROM AUTHOR]

Background: Emerging evidence suggests newborn screening analytes may yield insights into the etiologies of birth defects, yet no effort has evaluated associations between a range of newborn screening analytes and birth defects. Methods: This population-based study pooled statewide data on birth defects, birth certificates, and newborn screening analytes from Texas occurring between January 1, 2007 and December 31, 2009. Associations between a panel of thirty-six newborn screening analytes, collected by the statewide Texas Newborn Screening Program, and the presence of a birth defect, defined as at least one of 39 birth defects diagnoses recorded by the Texas Birth Defects Registry, were assessed using regression analysis. Findings: Of the 27,643 births identified, 20,205 had at least one of the 39 birth defects of interest (cases) as identified by the Texas Birth Defects Registry, while 7,438 did not have a birth defect (controls). Among 1,404 analyte-birth defect associations evaluated, 377 were significant in replication analysis. Analytes most consistently associated with birth defects included the phenylalanine/tyrosine ratio (N = 29 birth defects), tyrosine (N = 28 birth defects), and thyroxine (N = 25 birth defects). Birth defects most frequently associated with a range of analytes included gastroschisis (N = 29 analytes), several cardiovascular defects (N = 26 analytes), and spina bifida (N = 23 analytes). Conclusions: Several significant and novel associations were observed between newborn screening analytes and birth defects. While some findings could be consequences of the defects themselves or to the care provided to infants with these defects, these findings could help to elucidate mechanisms underlying the etiology of some birth defects. [ABSTRACT FROM AUTHOR]

Background: An infant's presentation at delivery may be an early indicator of developmental differences. Non‐vertex presentation (malpresentation) complicates delivery and often leads to caesarean section, which has been associated with neurodevelopmental delays, including autism spectrum disorder (ASD). However, malpresentation could be an early sign of an existing developmental problem that is also an upstream factor from caesarean delivery. Little research has been done to investigate the association between malpresentation and ASD. Objectives: We examine the association between malpresentation at delivery and ASD and whether this association differs by gestational age. Methods: We used data from the Study to Explore Early Development (SEED), a multi‐site, case–control study of children with ASD compared to population controls. The foetal presentation was determined using medical records, birth records and maternal interviews. We defined malpresentation as a non‐vertex presentation at delivery, then further categorised into breech and other malpresentation. We used multivariable logistic regression to estimate the adjusted odds ratio (aOR) for the association between malpresentation and ASD. Results: We included 4047 SEED participants, 1873 children with ASD and 2174 controls. At delivery, most infants presented vertex (n = 3760, 92.9%). Malpresentation was associated with higher odds of ASD (aOR 1.31, 95% confidence interval [CI] 1.02, 1.68) after adjustment for maternal age, poverty level, hypertensive disorder and smoking. The association was similar for breech and other types of malpresentation (aOR 1.28, 95% CI 0.97, 1.70 and aOR 1.40, 95% CI 0.87, 2.26, respectively) and did not differ markedly by gestational age. Conclusions: Malpresentation at delivery was modestly associated with ASD. Early monitoring of the neurodevelopment of children born with malpresentation could identify children with ASD sooner and enhance opportunities to provide support to optimise developmental outcomes. [ABSTRACT FROM AUTHOR]

Objective Design Setting Population Methods Main Outcome Measures Results Conclusions To investigate the association between postpartum haemorrhage (PPH) and subsequent cardiovascular disease.Population‐based retrospective cohort study, using record linkage between Aberdeen Maternity and Neonatal Databank (AMND) and Scottish healthcare data sets.Grampian region, Scotland.A cohort of 70 904 women who gave birth after 24 weeks of gestation in the period 1986–2016.We used extended Cox regression models to investigate the association between having had one or more occurrences of PPH in any (first or subsequent) births (exposure) and subsequent cardiovascular disease, adjusted for sociodemographic, medical, and pregnancy and birth‐related factors.Cardiovascular disease identified from the prescription of selected cardiovascular medications, hospital discharge records or death from cardiovascular disease.In our cohort of 70 904 women (with 124 795 birth records), 25 177 women (36%) had at least one PPH. Compared with not having a PPH, having at least one PPH was associated with an increased risk of developing cardiovascular disease, as defined above, in the first year after birth (adjusted hazard ratio, aHR 1.96; 95% confidence interval, 95% CI 1.51–2.53; p < 0.001). The association was attenuated over time, but strong evidence of increased risk remained at 2–5 years (aHR 1.19, 95% CI 1.11–1.30, P < 0.001) and at 6–15 years after giving birth (aHR 1.17, 95% CI 1.05–1.30, p = 0.005).Compared with women who have never had a PPH, women who have had at least one episode of PPH are twice as likely to develop cardiovascular disease in the first year after birth, and some increased risk persists for up to 15 years. [ABSTRACT FROM AUTHOR]

Our study examined the acute and sustained impact of immigration policy changes announced in January 2017 on preterm birth (PTB) rates among Hispanic and non-Hispanic white women in Texas's border and nonborder regions. Using Texas birth certificate data for years 2008 through 2020, we used a multiple group interrupted time series approach to explore changes in PTB rates. In the nonborder region, the PTB rate among Hispanic women of any race was 8.64% in 2008 and was stable each year before 2017 but increased by.29% (95% CI [.12,.46]) annually between 2017 and 2020. This effect remained statistically significant even when compared with that of non-Hispanic white women (p =.014). In the border areas, the PTB rate among Hispanic women of any race was 11.67% in 2008 and remained stable each year before and after 2017. No significant changes were observed when compared with that of non-Hispanic white women (p =.897). In Texas as a whole, the PTB rate among Hispanic women of any race was 10.16% in 2008 and declined by.07% (95% CI [−.16, −.03]) per year before 2017, but increased by.16% (95% CI [.05,.27]) annually between 2017 and 2020. The observed increase was not statistically significant when compared with that of non-Hispanic white women (p =.326). The January 2017 immigration policies were associated with a sustained increase in PTB among Hispanic women in Texas's nonborder region, suggesting that geography plays an important role in perceptions of immigration enforcement. Future research should examine the impact of immigration policies on maternal and child health, considering geography and sociodemographic factors. [ABSTRACT FROM AUTHOR]

Introduction: Nationally, cesarean birth is one of the most performed surgical procedures, yet cesarean births have been linked to an increased risk of delivery complications. Prenatal care (PNC) and education are possible strategies to reduce the number of cesarean births. However, there is scant research assessing the impact of these strategies on safely reducing primary cesarean births. This study evaluates the association between the adequacy of PNC utilization and primary cesarean birth. Methods: The analysis used 2018 birth certificate data, and the sample included nulliparous women with no reported pregnancy or delivery complications (N = 729,140). Logistic regression was used to model the association between the adequacy of PNC utilization and delivery method, as well as identify other factors associated with the delivery method. Results: Among women with a primary cesarean birth, 36.2% had received adequate plus PNC. After adjustment, there was no significant association between women receiving inadequate, intermediate, or adequate PNC and primary cesarean birth. However, women who received adequate plus PNC had an increased odds of having a primary cesarean birth compared to women with no PNC (OR, 1.23; 95% CI, 1.18–1.28). Discussion: Findings from this study highlight the need to further understand the role of PNC and its potential impact on the delivery method. Within the patient-provider relationship, healthcare providers have the unique opportunity to provide education and inform patients of the risks and benefits of all delivery options. Thus, there is an increased opportunity to safely reduce primary cesarean births. Significance: In the United States, cesarean births remain relatively high and are associated with potentially adverse effects. However, literature describing the potential impact of strategies to reduce cesarean births, such as prenatal care, and its association with the delivery method is lacking. Using 2018 birth certificate data, researchers were able to evaluate the adequacy of prenatal care utilization and primary cesarean birth association. This study found that women with a high utilization of prenatal care were more likely to have a primary cesarean birth; therefore, healthcare providers are essential in advising pregnant women about the risks and benefits of primary cesarean birth. [ABSTRACT FROM AUTHOR]

Background In the general population randomized controlled trial PreventADALL, frequent emollient bath additives from 2 weeks of age did not prevent atopic dermatitis, while the effect on skin barrier function throughout infancy is not established. Objectives The primary aim of this exploratory substudy was to assess the effect of mineral-based oil baths on transepidermal water loss (TEWL) and dry skin through infancy, and secondarily to explore if filaggrin (FLG) mutations modified the effect. Methods Overall, 2153 infants were included and randomized to either the 'Skin intervention' (SI) group (n = 995) (oil bath 4 times weekly from 2 weeks through 8 months) or 'No skin intervention' (NSI) group (n = 1158), with TEWL measurements at 3, 6 and/or 12 months of age. Information on FLG mutation status was available for 1683 of these infants. Effects of the skin intervention on TEWL and dry skin through infancy were assessed by mixed-effects regression modelling. Background characteristics and protocol adherence were collected from electronic questionnaires, birth records and weekly diaries. Results The TEWL (95% confidence interval) was on average 0.42 g m–2 h–1 (0.13–0.70, P = 0.004) higher in the SI group compared with the NSI group through the first year of life, with significantly higher levels at 3 months [8.6 (8.3–9.0) vs. 7.6 (7.3–7.9)], but similar at 6 and 12 months. Dry skin was observed significantly more often in the NSI group compared with the SI group at 3 months (59% vs. 51%) and at 6 months of age (63% vs. 53%), while at 12 months of age, the difference was no longer significant. At 3 months, the TEWL of FLG mutation carriers was similar to the TEWL in the SI group. No interaction between SI and FLG mutation was found in the first year of life. Conclusions Infants given frequent oil baths from 2 weeks of age had reduced skin barrier function through infancy compared with controls, largely attributed to higher TEWL at 3 months of age, while the skin at 3 and 6 months appeared less dry in infants subjected to the skin intervention. [ABSTRACT FROM AUTHOR]

Background Methods Results Conclusions Previous research has linked prenatal maternal infections to later childhood developmental outcomes and socioemotional difficulties. However, existing studies have relied on retrospectively self‐reported survey data, or data on hospital‐recorded infections only, resulting in gaps in data collection.This study used a large linked administrative health dataset, bringing together data from birth records, hospital records, prescriptions and routine child health reviews for 55,856 children born in Greater Glasgow & Clyde, Scotland, 2011–2015, and their mothers. Logistic regression models examined associations between prenatal infections, measured as both hospital‐diagnosed prenatal infections and receipt of infection‐related prescription(s) during pregnancy, and childhood developmental concern(s) identified by health visitors during 6‐8 week or 27‐30 month health reviews. Secondary analyses examined whether results varied by (a) specific developmental outcome types (gross‐motor‐skills, hearing‐communication, vision‐social‐awareness, personal‐social, emotional‐behavioural‐attention and speech‐language‐communication) and (b) the trimester(s) in which infections occurred.After confounder/covariate adjustment, hospital‐diagnosed infections were associated with increased odds of having at least one developmental concern (OR: 1.30; 95% CI: 1.19–1.42). This was broadly consistent across all developmental outcome types and appeared to be specifically linked to infections occurring in pregnancy trimesters 2 (OR: 1.34; 95% CI: 1.07–1.67) and 3 (OR: 1.33; 95% CI: 1.21–1.47), that is the trimesters in which foetal brain myelination occurs. Infection‐related prescriptions were not associated with any clear increase in odds of having at least one developmental concern after confounder/covariate adjustment (OR: 1.03; 95% CI: 0.98–1.08), but were associated with slightly increased odds of concerns specifically related to personal‐social (OR: 1.12; 95% CI: 1.03–1.22) and emotional‐behavioural‐attention (OR: 1.15; 95% CI: 1.08–1.22) development.Prenatal infections, particularly those which are hospital‐diagnosed (and likely more severe), are associated with early childhood developmental outcomes. Prevention of prenatal infections, and monitoring of support needs of affected children, may improve childhood development, but causality remains to be established. [ABSTRACT FROM AUTHOR]

Objective: To describe utilization of prenatal care and outcomes of low birth weight and preterm birth among adolescent births in Mexico. Methods: We used birth certificate data and included live births to individuals 10–24 years, 2008–2019. Our outcomes were binary measures of adequate prenatal care, low birth weight, and preterm birth. We compared adolescents (10–14 years, 15–16, and 17–19) to those 20–24 years. We included individual‐, clinical‐, and municipality‐level variables, used multivariable logistic regression, and calculated adjusted predicted probabilities. We also tested whether receipt of prenatal care moderated the relationship of age with preterm birth and low birth weight. Results: We included a total of 12 106 710 births to women 10–24 years. The adjusted predicted probability of adequate prenatal care increased with age: 56.07% (95% CI 55.82–56.31%) adjusted probability among adolescents 10–14 years compared with 65.51% (95% CI 65.48%–65.55%) among individuals 20–24 years. Receipt of adequate prenatal care in part mitigated disparities in preterm birth and low birthweight across all age groups: 7.30% (95% CI 7.17%–7.43%) adjusted probability of delivering a preterm infant among those 10–14 years who received adequate prenatal care compared with 9.37% (95% CI 9.20%–9.53%) among those 10–14 years without adequate prenatal care. Conclusion: In Mexico, adolescent pregnancies are associated with inadequate prenatal care as well as higher odds of preterm delivery and low birth weight. Youngest adolescents (10–14 years) have the highest probability of adverse outcomes. Adequate prenatal care may help partially mitigate disparities in poor perinatal outcomes. Synopsis: In Mexico, adolescent pregnancies have higher odds of prematurity and low birthweight. Adequate prenatal care may partially mitigate these disparities. [ABSTRACT FROM AUTHOR]

Based on the background that has been presented, the researcher wants to evaluate the effectiveness of the birth certificate making process at the Population and Civil Registration Office of Kuningan Regency, especially in terms of service speed and community satisfaction. This research uses a qualitative approach by involving key informants such as the Head of Civil Registration Division, Reni Sriherliyani, SE, M.M., and the Head of Civil Registration Section, Teti Tresnawati, SE. The results of the interview show that the process of making a birth certificate at the Population and Civil Registration Office of Kuningan Regency has been carried out in accordance with applicable legal provisions, including Law Number 24 of 2013 concerning Amendments to Law Number 23 of 2006 concerning Population Administration, as well as Regional Regulation Number 1 of 2015 concerning Amendments to Kuningan Regency Regional Regulation Number 3 of 2010 concerning Population Administration Services. The author concludes that the service of making birth certificates at the Population and Civil Registration Office has been effective, with an emphasis on achieving concrete time and in accordance with applicable legal provisions. Nevertheless, there are still some obstacles in the process of making birth certificates at the Office. [ABSTRACT FROM AUTHOR]

Background: Poland has one of the highest cesarean birth (CB) rates in Europe. For this study, we used the Robson Ten‐Group Classification System (TGCS) to analyze trends in the induction and CB rates in one hospital in Poland over a period of 11 years. We compare these trends with changes in National Legislative and Medical Guidelines introduced during this time that were aimed at lowering rates of unnecessary medical interventions. Methods: We conducted a retrospective study including all births after 24 weeks' gestation between 2010 and 2020 from one tertiary hospital (n = 66,716 births). After the deletion of records with missing data, 66,678 births were included in the analysis. All births were classified according to the Robson TGCS. The size, CB rate, and contribution of each group for every year were calculated. Linear regression analyses were used to analyze trends over time. Results: The total CB rate varied from 29.6% to 33.0% during the study period, with a linear increase of 0.045 percentage points annually (R2 = 0.021; F(1) = 0.189; p = 0.674). This study was considerably lower than the total CB rate for Poland, which rose from 33.9% in 2010 to 45.1% in 2020, increasing at a rate of 1.13 percentage points per year (R2 = 0.93; F(1) = 61.88; p < 0.001). Induction rates among both nulliparous (R1 + R2) and multiparous (R3 + R4) women at term also increased. Study groups R5 (previous cesarean birth), R2 (nulliparous in induced or prelabor cesarean delivery), and R1 (nulliparous women at term with single cephalic pregnancy in spontaneous labor) were the highest contributors to the overall CB rate. The greatest decrease in the CB rate was detected in group R5b (more than one previous CB). None of the groups showed statistically significant increases in CB rates over the study period. Conclusions: The CB rate in the hospital where the study was conducted was considerably lower than the total CB rate in Poland. When compared with countries with similar CB rates, group R2b (women with nulliparous, prelabor cesarean birth) in our study was considerably larger. More comparisons across different hospital settings in Poland are needed. However, as hospitals are not encouraged to routinely collect the data needed to construct TGCS, such comparisons are very difficult to conduct. [ABSTRACT FROM AUTHOR]

Aim: Relatively few obese children and adolescents receive specialist treatment. Our aim was to assess associations between risk of receiving an obesity diagnosis in secondary/tertiary health services by socio-economic position and immigrant background in order ultimately to improve equity in health services. Methods: The study population comprised Norwegian-born children aged 2–18 years between 2008 and 2018 (N =1,414,623), identified via the Medical Birth Registry. Cox regressions were used to calculate hazard ratios (HR) of an obesity diagnosis from secondary/tertiary health services (Norwegian Patient Registry) by parental education and household income and by immigrant background. Results: Higher parental education and household income were associated with a lower hazard of obesity diagnosis regardless of Norwegian versus immigrant background. Compared to having a Norwegian background, having a Latin American (HR=4.12; 95% confidence interval (CI) 3.18–5.34), African (HR=1.54; 95% CI 1.34–1.76) and Asian (HR=1.60; 95% CI 1.48–1.74) background was associated with higher hazard of obesity diagnosis. Adjusted for parental education and household income, corresponding HRs were 3.28 (95% CI 2.95–3.65) for Latin America, 0.95 (95% CI 0.90–1.01) for Africa and 1.08 (95% CI 1.04–1.11) for Asia. Within Asia, those with a background from Pakistan, Turkey, Iraq and Iran had higher hazards than those with a Norwegian background, while those with a background from Vietnam had lower hazards, even after adjusting for parental education and household income. Conclusions: To ensure more equitable treatment, more knowledge is warranted about health-service access and referral patterns, and underlying population prevalence rates, for obese children and adolescents with different immigrant backgrounds. [ABSTRACT FROM AUTHOR]

This article discusses a case study involving a same-sex female couple who used a sperm donor to conceive a child. Under UK law, both partners were able to be registered as the child's legal parents on her birth certificate. However, when the couple later broke up, the law allowed the mother to have the second legal parent's name removed from the birth certificate and replaced with that of the sperm donor. This decision was based on the fact that the child's conception method (artificial insemination or sexual intercourse) could not be definitively proven. The article raises concerns about the impact of this decision on children's identities and suggests that the law should consider recognizing more than two legal parents in certain cases. [Extracted from the article]

Background: Contemporary estimates of diabetes mellitus (DM) rates in pregnancy are lacking in Canada. Accordingly, this study examined trends in the rates of type 1 (T1DM), type 2 (T2DM) and gestational (GDM) DM in Canada over a 15-year period, and selected adverse pregnancy outcomes. Methods: This study used repeated cross-sectional data from the Canadian Institute of Health Information (CIHI) hospitalization discharge abstract database (DAD). Maternal delivery records were linked to their respective birth records from 2006 to 2019. The prevalence of T1DM, T2DM and GDM were calculated, including relative changes over time, assessed by a Cochrane-Armitage test. Also assessed were differences between provinces and territories in the prevalence of DM. Results: Over the 15-year study period, comprising 4,320,778 hospital deliveries in Canada, there was a statistically significant increase in the prevalence of GDM and T1DM and T2DM. Compared to pregnancies without DM, all pregnancies with any form of DM had higher rates of hypertension and Caesarian delivery, and also adverse infant outcomes, including major congenital anomalies, preterm birth and large-for-gestational age birthweight. Conclusion: Among 4.3 million pregnancies in Canada, there has been a rise in the prevalence of DM. T2DM and GDM are expected to increase further as more overweight women conceive in Canada. [ABSTRACT FROM AUTHOR]

Objective: To assess the prevalence of adverse perinatal outcomes in antenatal women with low amniotic fluid index at term. Study Design: Observational Cross-sectional Analysis. Setting: Department of Gynaecology and Obstetrics Hayatabad Medical Complex, Peshawar. Period: 2nd February 2020, to 5th February 2021. Methods: The study involved a total of 165 patients, in 37 to 40-weeks of gestation period, the research included antenatal women with a low amniotic fluid index, with any parity, gravidity, and 18-35 years of age. While Excluded patients with any medical disorders during pregnancy (e.g., PIH, anemia, cardiac disease etc.), and those with gestational period <37 weeks from the study. Thorough history, clinical examination and ultrasound were carried out of all the women included in the study from OPD and emergency department, to confirm a low amniotic fluid index. Patient follow-up was extended to their arrival in the Obstetric suite during established labor, APGAR scores were calculated and recorded at birth, and at the 5-minute of birth for the neonate. Adverse Perinatal Outcome was considered positive if the APGAR Score was <7/10 at five minutes of life of neonate. Data analysis was performed using SPSS 23. Results: Out of 165 patients 57% of the patients were induced while 43% spontaneously delivered, similarly 66.7% were delivered vaginally while 33.3% were delivered via C Section. Low neonatal APGAR score was recorded in 67.9% patients which is a significant percentage, hence our study results showed positive correlation of low AFI with adverse perinatal outcome. We also observed that probability of satisfactory values of AFI is 1.5 times more in spontaneous deliveries (p=0.04, OR=1.5), however no such relation exists for period of gestation or number of parity. Similarly, there is a significant relation of mode of delivery with satisfactory values of AFI (p=0.00), however no such relation exists for period of gestation or number of parity. However, the probability of vaginal deliveries is 1.6 times more with an increased in number of para (p=0.02, OR=1.6). Conclusion: Reduced amniotic fluid index is linked with significant Unfavorable Perinatal Outcomes proved by low APGAR score (<7/10 at five minutes). [ABSTRACT FROM AUTHOR]

The preweaning period for a dairy calf is characterized by high morbidity and mortality rates, leading to financial losses for producers. Identifying strategies to improve the health and welfare of calves while reducing antimicrobial use continues to be crucial to the success of the dairy industry. The objective of this study was to determine the effects of feeding colostrum replacer (CR) to dairy heifer calves beyond d 1 of life on growth, serum IgG, the incidence of diarrhea and bovine respiratory disease (BRD), and the risk of mortality in the preweaning period. At birth, Holstein heifer calves (n = 200; 50/treatment) weighing 40.7 ± 0.35 kg (mean ± SE) were fed 3.2 L of CR (205 g IgG/feeding) at 0 h and 12 h of life. Calves were then randomly assigned to 1 of 4 treatments: 450 g of milk replacer (MR) from d 2 to 14 (control, CON), 380 g of CR + 225 g of MR from d 2 to 3, then 450 g of MR from d 4 to 14 (transition, TRAN), 45 g of CR + 450 g of MR from d 2 to 14 (extended, EXT); or 380 g of CR + 225 g of MR from d 2 to 3, then 45 g of CR + 450 g of MR from d 4 to 14 (transition + extended, TRAN+EXT). Each treatment was reconstituted to 3 L and fed twice daily. All CR treatments were fed using bovine-derived CR containing 27% IgG. From d 15 to 41, all calves were fed 600 g of MR reconstituted to 4 L twice daily. Body weight was recorded at birth and every 7 d until study completion on d 49. Blood samples were taken daily until d 7 to evaluate serum IgG and then every 7 d until d 49. A health assessment was performed daily to evaluate calves for BRD and diarrhea. Data were analyzed using mixed linear regression, mixed logistic regression, and survival analysis models in SAS 9.4. Serum IgG concentrations were not affected by treatment for the study period. The EXT and TRAN+EXT groups had greater average daily gain (ADG) from d 7 to 14 (0.14 kg/d) and the TRAN group had greater ADG from d 14 to 21 (0.11 kg/d), compared with CON. There was no association of treatment with the odds or the duration of a diarrhea bout. However, provision of CR to the TRAN and EXT calves was associated with a reduced hazard of diarrhea compared with CON calves. Furthermore, TRAN and EXT calves have a lower hazard of mortality compared with CON calves, with TRAN and EXT calves had a 2.8- and 3.8-times lower hazard of mortality, respectively. Our findings suggest that the supplementation of CR to dairy calves positively affects ADG, and reduces the hazard of diarrhea and mortality during the preweaning period. Future research should look to further refine the supplementation strategy of CR to calves and explore the mechanism of action. [ABSTRACT FROM AUTHOR]

Wildfire air pollution is a growing concern on human health. The study aims to assess the associations between wildfire air pollution and pregnancy outcomes in the Southwestern United States. This was a retrospective cohort study. Birth records of 627,404 singleton deliveries in 2018 were obtained in eight states of the Southwestern United States and were linked to wildfire-sourced fine particulate matter (PM 2.5) and their constituents (black carbon [BC] and organic carbon [OC]) during the entire gestational period. A double-robust logistic regression model was used to assess the associations of wildfire-sourced PM 2.5 exposures and preterm birth and term low birth weight, adjusting for non-fire-sourced PM 2.5 exposure and individual- and area-level confounder variables. Wildfire-sourced PM 2.5 contributed on average 15% of the ambient total PM 2.5 concentrations. For preterm birth, the strongest association was observed in the second trimester (odds ratio [OR]: 1.06, 95% confidence interval [CI]: 1.05–1.07 for PM 2.5 ; 1.06, 95% CI: 1.05–1.07 for BC; 1.04, 95% CI: 1.03–1.05 for OC, per interquartile range increment of exposure), with higher risks identified among non-smokers or those with low socio-economic status. For term low birth weight, the associations with wildfire-sourced PM 2.5 exposures were consistently elevated for all trimesters except for the exposure averaged over the entire gestational period. Overall, the associations between wildfire-sourced PM 2.5 and pregnancy outcomes were stronger than those with total PM 2.5. Wildfire-sourced PM 2.5 and its constituents are linked to higher risks of preterm birth and term low birth weight among a significant US population than the effects of ambient total PM 2.5. [ABSTRACT FROM AUTHOR]

Objective: There has been little evidence of the impact of preventive services during pregnancy covered under the Affordable Care Act (ACA) on birthing parent and infant outcomes. To address this gap, this study examines the association between Medicaid expansion under the ACA and birthing parent and infant outcomes of low-income pregnant people. Methods: This study used individual-level data from the 2004–2017 annual waves of the Pregnancy Risk Assessment Monitoring System (PRAMS). PRAMS is a surveillance project of the Centers for Disease Control and Prevention and health departments that annually includes a representative sample of 1,300 to 3,400 births per state, selected from birth certificates. Birthing parents' outcomes of interest included timing of prenatal care, gestational diabetes, hypertensive disorders of pregnancy, cigarette smoking during pregnancy, and postpartum care. Infant outcomes included initiation and duration of breastfeeding, preterm birth, and birth weight. The association between ACA Medicaid expansion and the birthing parent and infant outcomes were examined using difference-in-differences estimation. Results: There was no association between Medicaid expansion and the outcomes examined after correcting for multiple testing. This finding was robust to several sensitivity analyses. Conclusions for Practice: Study findings suggest that expanded access to more complete insurance benefits with limited cost-sharing for pregnant people, a group that already had high rates of insurance coverage, did not impact the birthing parents' and infant health outcomes examined. Significance: Pregnant people had high rates of insurance coverage before the Affordable Care Act, but insurance instability remains high during the perinatal period. The ACA made a substantial number of changes to the cost-sharing of preventive benefits for pregnant people. There is limited research on changes in outcomes related to new preventive benefits for pregnant people. We examined several perinatal outcomes for low-income pregnant people after full enactment of ACA provisions. We find little change in the outcomes examined. Results suggest that ACA policies and insurance expansion that predate the ACA were necessary but insufficient to improve these more intractable outcomes. [ABSTRACT FROM AUTHOR]

Objective: This article describes the first digital clinical information system tailored to support the operational needs of a forensic unit in Greece and to maintain its archives. Method: The development of our system was initiated towards the end of 2018, as a close collaboration between the Medical School of the University of Crete and the Forensic Medicine Unit of the University Hospital of Heraklion, Crete, where forensic pathologists assumed active roles during the specification and testing of the system. Results: The final prototype of the system was able to manage the life cycle of any forensic case by allowing users to create new records, assign them to forensic pathologists, upload reports, multimedia and any required files; mark the end of processing, issue certificates or appropriate legal documents, produce reports and generate statistics. For the first 4 years of digitised data (2017–2021), the system recorded 2936 forensic examinations categorised as 106 crime scene investigations, 259 external examinations, 912 autopsies, 102 post-mortem CT examinations, 804 histological examinations, 116 clinical examinations, 12 anthropological examinations and 625 embalmings. Conclusion: This research represents the first systematic effort to record forensic cases through a digital clinical information system in Greece, and to demonstrate its effectiveness, daily usability and vast potential for data extraction and for future research. [ABSTRACT FROM AUTHOR]

This research investigates the prevalence of corruption and use of intermediaries at immigration sites, the municipality, and the Criminal Investigation Department (CID) in Mogadishu, Somalia. Through an online survey, 80 responses were recorded from residents in Mogadishu who work in academia, businesses, and international NGOs. Five anonymous civil servants were interviewed over telephone to further learn about the difficulties and potential solutions to the corruption problem. The statistical analysis revealed that Immigration is relatively less corrupted. This is due to changes in management and administrative reforms, ability to challenge fraudulent temptation of staff through call centers, and having better institutional and staff capacities than the other two institutions in question. Furthermore, direct supervision from the Ministry of Internal Security at the site of immigration with relatively enhanced working conditions with higher salaries allows for better functioning compared to Mogadishu Municipality, which is a local authority, and CID, a subdivision of an underpaid police department. Alternatively, more than half of the citizens use an intermediary to obtain their passports, birth certificates, and criminal record letters. According to the binary regression analysis, male applicants are more likely to use an intermediary than females. [ABSTRACT FROM AUTHOR]

Few studies have examined whether neighborhood deprivation is associated with severe maternal morbidity (SMM) in already socioeconomically disadvantaged populations. Little is known about to what extent neighborhood deprivation accounts for Black–White disparities in SMM. This study investigated these questions among a statewide Medicaid-insured population, a low-income population with heightened risk of SMM. Data were from Michigan statewide linked birth records and Medicaid claims between 01/01/2016 and 12/31/2019, and were analyzed between 2022 and 2023. Neighborhood deprivation was measured with the Area Deprivation Index at census block group and categorized as low, medium, or high deprivation. Multilevel logistic models were used to examine the association between neighborhood deprivation and SMM. Fairlie nonlinear decomposition was conducted to quantify the contribution of neighborhood deprivation to SMM racial disparity. People in the most deprived neighborhoods had higher odds of SMM than those in the least deprived neighborhoods (aOR [95% CI]: 1.27 [1.15, 1.40]). Such association was observed in Black (aOR [95% CI]: 1.34 [1.07, 1.67]) and White (aOR [95% CI]: 1.26 [1.12, 1.42]) racial subgroups. Decomposition showed that of 57.5 (cases per 10,000) explained disparity in SMM, neighborhood deprivation accounted for 23.1 (cases per 10,000; 95% CI: 16.3, 30.0) or two-fifths (40.2%) of the Black–White disparity. Analysis on SMM excluding blood transfusion showed consistent but weaker results. Neighborhood deprivation may be used as an effective tool to identify at-risk individuals within a low-income population. Community-engaged interventions aiming at improving neighborhood conditions may be helpful to reduce both SMM prevalence and racial inequity in SMM. [ABSTRACT FROM AUTHOR]

Indonesia is a multi-ethnic country with a diversity of tribes and cultures that are still preserved and implemented, one of which is the Chinese ethnic culture. There have been cross-country and different religious marriages that were not previously registered in the Civil Registry and then registered, but there are still many misconducts due to ignorance and lack of socialization by the more intensive government, which has resulted in children born to become illegitimate children. The actual circumstances make it difficult for a portion of the ethnic Chinese majority to obtain the legality of their birth certificates, which will affect their future lives. This research method uses empirical jurisprudence with a qualitative approach, so it aims to provide a deeper insight into changes and adaptations in Chinese ethnic marriage institutions after the implementation of national marriage law regulation. Thus, the settlement measure taken after the entry into force of Law No. 1 of 1974 on Marriage in a customaryly married couple, giving birth to an out-of-marriage child by an act on behalf of the mother, which if it is to be authenticated as the child of the father and mother, requires a court decision. [ABSTRACT FROM AUTHOR]

Aim: To evaluate umbilical arterial lactate concentrations after spontaneous vaginal delivery and after elective Cesarean delivery, and to study the simultaneous effects of maternal and obstetric variables in high lactate levels in vaginally delivered healthy term singletons. Methods: The birth register study included information about the umbilical artery lactate values and clinical perinatal data from 7723 women and their singleton newborns (7301 spontaneous vaginal and 422 elective cesareans) from Kuopio University Hospital, Finland. High lactate levels were evaluated more extensively among healthy term neonates (N = 6541), to evaluate high levels after normal vaginal labors. Results: The mean lactate level was significantly lower after elective cesarean compared to vaginal delivery (2.42 [0.94] vs. 3.56 [1.62] mmol/l; p < 0.0001). Consequently, the 90th percentile limit values were 3.60 and 5.80 mmol/L. Among healthy term newborns born vaginally, higher lactate values (≥5.80 mmol/L) were independently associated with a longer duration of the active second stage of labor (ORs 1.91–10.97) and duration of ruptured fetal membranes (ORs 1.36–2.46), higher gestational age at birth (ORs 1.41–1.86), null parity (OR 2.17), maternal infection (OR 1.81) and short maternal stature (OR 1.45). We report 90th/95th limits for umbilical arterial lactate values in relation to the various durations of labors for term newborns who are delivered by the vaginal route. Conclusions: Even though the high umbilical lactate levels may indicate serious birth asphyxia, levels after vaginal birth reflect the physiological stress and subclinical transient asphyxia frequently seen in normal vaginal deliveries. [ABSTRACT FROM AUTHOR]

Birth registration, especially the birth certificate, is consistently framed as something which has always operated to document a person's parents and their (biogenetic) 'origins'. This framing has become more prominent in recent years with the rise in (often queer) families challenging how law should register their families, often being unsuccessful. Analysing the history of birth registration, though, suggests this framing of birth registration is inaccurate. It is only in recent years that birth registration has supposedly taken on a new (or additional) policy aim of facilitating parent‐child relationships. This policy also arguably facilitates a particular type of relationship and trans‐parent families are focused upon as an example of where such facilitation does not occur. Through documenting the recent resurgence of interest in birth registration, this article aims to clarify the history and purpose(s) of birth registration showing how many assumptions surrounding the function of birth registration are misguided, and to open up discussion as to what its legal purpose(s) should be. [ABSTRACT FROM AUTHOR]

(1) Background: The incidence of congenital cholesteatoma (CC) has rarely been discussed, particularly from a demographic viewpoint. Therefore, we conducted an epidemiological study of CC using local medical characteristics. (2) Methods: The participants were 100 patients (101 ears) who underwent initial surgical treatment at university hospitals in two rural prefectures between 2006 and 2022. A total of 68% of the patients were males and 32% were females, with a median age of 5 years. We reviewed the medical records for the date of birth, date of surgery, stage of disease, and first symptoms of the disease. (3) Results: The total incidence of CC was calculated to be 26.44 per 100,000 births and tended to increase. No significant difference was found between the incidences in the two prefectures. The number of surgeries performed was higher in the second half of the study period. No difference in the stage of progress was observed based on age. (4) Conclusions: The incidence of CC was estimated to be 26.44 per 100,000 newborn births. The number of patients with CC tended to increase; however, this can be attributed to an increase in the detection rate rather than the incidence. [ABSTRACT FROM AUTHOR]

During the early COVID-19 pandemic, an increase in weight gain among the general population was observed; however, gestational weight gain (GWG) was not thoroughly evaluated. We evaluated changes in GWG during the pandemic closures in South Carolina. We used live, singleton birth records to compare GWG outcomes among three pregnancy groups occurring before (January 2018–February 2020), during (March–May 2020), and after (June 2020–December 2021) pandemic closures. GWG categories were defined by the Institute of Medicine (IOM) recommendations. We used multinomial logistic regression models to calculate prevalence ratios (PRs) of GWG categories stratified by prepregnancy body mass index (BMI) category. We analyzed 177,571 birth records. Women with normal weight (n = 64,491, 36%) had a slightly lower prevalence of excessive GWG during and after the pandemic closures (PR 0.94; 95% CI: 0.91–0.98 and PR 0.95; 95% CI: 0.93–0.98, respectively). We observed no changes in GWG patterns for women with overweight and obesity. We found limited changes in GWG patterns for a subset of pregnant women during and after pandemic closures, compared with prepandemic period in South Carolina, countering findings of weight changes among the general population. [ABSTRACT FROM AUTHOR]

Newborn removal by North America's child protective services (CPS) disproportionately impacts Indigenous and Black families, yet its implications for population health inequities are not well understood. To guide this as a domain for future research, we measured validity of birth hospitalization discharge codes categorizing newborns discharged to CPS. Using data from 309,260 births in Manitoba, Canada, we compared data on newborns discharged to CPS from hospital discharge codes with the presumed gold standard of custody status from CPS case reports in overall population and separately by First Nations status (categorization used in Canada for Indigenous peoples who are members of a First Nation). Of 309,260 newborns, 4562 (1.48%) were in CPS custody at hospital discharge according to CPS case reports and 2678 (0.87%) were coded by hospitals as discharged to CPS. Sensitivity of discharge codes was low (47.8%), however codes were highly specific (99.8%) with a positive predictive value (PPV) of 81.4%, and a negative predictive value (NPV) of 99.2%. Sensitivity, PPV and specificity were equal for all newborns but NPV was lower for First Nations newborns. Canadian hospital discharge records underestimate newborn discharge to CPS, with no difference in misclassication based on First Nations status. [ABSTRACT FROM AUTHOR]

To determine how demographic and clinical predictors of home birth have changed since the onset of the COVID-19 pandemic in the US. Using National Vital Statistics birth certificate data, a retrospective population-based cohort study was performed with planned home births and hospital births among women age ≥18 years during calendar years 2019 (pre-pandemic) and 2021 (pandemic-era). Birth location (planned home birth vs. hospital birth) was analyzed using univariate and multivariable logistic regression, systematically examining the interaction of each demographic and clinical covariate with study year. After exclusions, a total of 6,087,768 birth records were retained for analysis, with the proportion of home births increasing from 0.82 % in 2019 to 1.24 % in 2021 (p<0.001). In the final multivariable logistic regression model of planned home birth, five demographic variables retained a statistically significant interaction with year: race and ethnicity, age, educational attainment, parity, and WIC participation. In each case, demographic differences between those having planned home births and hospital births became smaller (odds ratios closer to 1) in 2021 compared to 2019. Planned home births increased by more than 50 % during the pandemic, with greater socioeconomic diversity in the pandemic-era home birth cohort. The presence of clinical risk factors remained a strong predictor of hospital birth, with no evidence that pandemic-era home births had a higher clinical risk profile as compared to the pre-pandemic period. [ABSTRACT FROM AUTHOR]

Birth certificate data has been identified for its centrality in providing complete and accurate information on demographics, particularly as it relates to families. Often, however, these forms of data collection, are very much hetero-centric, re-embedding normative conceptualizations of identity, particularly as it relates to sex, gender and sexuality. Modes of demographic data collection, such as that of the birth certificate, do not allow for the fluidity and multiplicity of gender and sexual identities that characterize the lived experience of many LGBTQ families. This article will explore the significance of the birth certificate for LGBTQ Irish families, particularly in light of the varying inequalities that emerge from the data gaps they create for both parent and child. In exploring these facets, this article draws upon qualitative semi-structured interviews with LGBTQ parents, exploring how they see the data gaps that emerge on birth certificates and the effects these gaps have on them as an LGBTQ family. Through exploring the ways in which the data gaps and omissions on the Irish birth certificate creates inequalities, this article uses the findings to build on the work of Ruberg and Ruellos (2020) who call for shifting how we see and understand queer identity through data. Through these findings, we argue that systems of data collection, data structures and certification must be changed to build data for queer parenthood and that it is necessary to recalibrate how we design birth certificates to more accurately represent LGBTQ-parent families. [ABSTRACT FROM AUTHOR]

Birth certificate data alone are inadequate for studies of maternal morbidity and associated racial disparities due to differential underreporting by race and poor validity. A growing number of studies are using birth certificate data, despite data-quality concerns, to study maternal morbidity and associated disparities. We examined whether conclusions about the incidence of maternal morbidity, including Black–White disparities, differ between birth certificate data and hospitalization data. Using linked birth certificate and hospitalization data from California and Michigan for 2018 (N=543,469), we found that maternal morbidity measures using birth certificate data alone are substantially underreported and have poor validity. Furthermore, the degree of underreporting in birth certificate data differs between Black and White individuals and results in erroneous inferences about disparities. Overall, Black–White disparities were more modest in the birth certificate data compared with the hospitalization data. Birth certificate data alone are inadequate for studies of maternal morbidity and associated racial disparities. [ABSTRACT FROM AUTHOR]