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The article provides a critical review of some of the most common arguments actively used in the abortion debate. Based on the notion of moral personhood, the main groups of such arguments (no full moral status, full moral status, and gradualism) are identified and characterized. Separate consideration is given to the right of pregnant women to abortion, the legal defense of the fetus’ right to life, and the practice of using the medical concept of viability in law.

OBJECTIVE: To compare the effectiveness of oral and vaginal progestogens in the maintenance of early pregnancy in women with recurrent miscarriages. METHODS: This randomized controlled trial was conducted at Lady Reading Hospital, Peshawar, Pakistan, from April to September 2021. Pregnant women aged 16–40 years with a history of at least three recurrent miscarriages presenting at or before 7 weeks of gestation were enrolled. A total of 108 patients were randomly assigned to two groups: Group A received oral progestogens (10 mg twice daily), and Group B received vaginal progestogens (200 mg twice daily). Treatment lasted for 12 weeks, with successful outcomes defined as no vaginal bleeding and pregnancy continuing beyond 12 weeks. Data analysis was conducted using SPSS-20 software. RESULTS: The mean age of patients was 29 ± 3.88 years in Group A and 27 ± 3.12 years in Group B. Oral progestogens (Group A) were effective in 48 (88.9%) patients, whereas vaginal progestogens (Group B) were effective in 36 (66.7%) patients (p=0.03). Oral progestogens showed significantly greater efficacy compared to vaginal progestogens in individuals aged 20-30 years (p=0.04) and those with fewer than four previous miscarriages (p=0.03). However, there was no significant difference in efficacy between the two groups for participants aged 31-40 years or those with 4 or more previous miscarriages. CONCLUSION: Oral progestogens are more effective than vaginal progestogens in preventing recurrent miscarriages, especially in participants aged 20–30 years and with fewer than 4 previous miscarriages. More research needed to validate and explore underlying mechanisms.

This article examines the ethical validity of using viability as the cutoff point for abortion in the Netherlands, in view of potential changes to the Dutch perinatal care guideline. According to the Dutch Penal Code, abortion is permitted until viability: the point at which a fetus can survive outside the womb with technological assistance. Since the law was enacted in 1984, viability has been set at 24 weeks gestational age. Currently, in the Netherlands, the treatment limit for extreme prematurity is also set at 24 weeks. The potential revision of the guideline could lower this threshold. Such a change could have implications for abortion in the Netherlands. We critically evaluate the use of viability within the Dutch context and offer recommendations for modifying the legal framework concerning abortion. We conclude that relying on any interpretation of viability is morally problematic for abortion regulation, as it is too indeterminate a concept to establish a threshold in a morally relevant way. [ABSTRACT FROM AUTHOR]

L'objet de notre propos concerne la place que devrait avoir la mère dans la stratégie de soins de son enfant né à la limite de la viabilité. Dans ce contexte, il s'agit de mettre à la disposition des enfants nés à la limite de la viabilité, tous les moyens disponibles à leur survie et dans le meilleur des cas sans séquelle. Mais, au préalable, on rappellera certaines notions en rapport avec la vitalité et la viabilité du fœtus. Puis, nous examinerons les conséquences sur sa maturation dès lors qu'il se trouve séparé de son placenta. Au-delà de la limite supérieure de la « zone grise » (25 SA), les équipes proposent une prise en charge, active, systématique ou quasi systématique, à tous les enfants. Cependant, de notre point de vue, la mère devrait être totalement intégrée à cette stratégie. Les effets physiologiques, validés du contact peau à peau, devraient profiter le plus tôt possible (dès la prise en charge médicale accomplie à la naissance) aux prématurés stables, mais surtout aux instables. L'importance du lait maternel dans cette stratégie de soins n'est plus à démontrer. Dès leurs naissances et indépendamment de leur âge gestationnel et de leur état clinique (stable ou instable), les extrêmes prématurés devraient recevoir une alimentation entérale avec le colostrum de leurs mères sécrété pendant les trois à cinq premiers jours de vie. L'implication de la mère contribuera grandement au développement optimal de son enfant. The subject of our discussion concerns the place that the mother should have in the care strategy of her child born at the limit of viability. In this context, it is a question of making available to children born at the limit of viability, all the means available to their survival and in the best cases without sequel. But, first, we will recall certain notions related to the vitality and viability of the fetus. Then, we will examine the consequences on its maturation as soon as it is separated from its placenta. Beyond the upper limit of the "gray zone" (25 SA), the teams offer active, systematic or quasi-systematic care to all children. However, from our perspective, the mother should be fully integrated into this strategy. The physiological effects, validated from skin-to-skin contact, should benefit as soon as possible (as soon as the medical management accomplished at birth) to stable premature babies, but especially to unstable. The importance of breast milk in this care strategy no longer needs to be demonstrated. From birth and regardless of their gestational age and clinical status (stable or unstable), extremely premature babies should receive enteral nutrition with the colostrum of their mothers secreted during the first three to five days of life. The involvement of the mother will greatly contribute to the optimal development of her child. [ABSTRACT FROM AUTHOR]

Time plays a fundamental role in abortion regulation. In this article, we compare the regulatory frameworks in England and Wales and the Netherlands as examples of the centrality accorded to viability in the determination of the parameters of non-criminal abortion, demonstrating that the use of viability as a threshold renders the law uncertain. We assess the role played by the concept of viability, analysing its impact upon the continued criminalization of abortion and categorization of abortion as a medical matter, rather than a reproductive choice. We conclude that viability is misconceived in its application to abortion and that neonatal viability (relating to treatment of the premature infant) and fetal viability (related to the capacity to survive birth) must be distinguished to better reflect the social context within which the law and practice of abortion operate. We show how viability thresholds endanger pregnant people. [ABSTRACT FROM AUTHOR]

This study was designed to investigate the roles of melatonin administration during different sensitive windows of the first half of pregnancy in the function and gene expression of the ovary and placenta, hormone profile, and pregnancy outcomes in rabbits. Four equal experimental groups of 20 rabbits each were used. The first (FW), second (SW), and third (F + SW) groups comprised rabbits that orally received 0.7-mg melatonin/kg body weight during the first week, second weeks, and during both weeks of pregnancy; and the fourth group served as the control group (C). The total number of visible follicles significantly increased in all melatonin-treated groups compared with that in the C group. In all melatonin-treated groups, the number of absorbed fetuses was significantly reduced, whereas the weights of embryonic sacs and fetuses were higher than in the C group. The placenta efficiency was significantly increased in the F + SW group compared with that in the C group, followed by the SW group, whereas no significant difference in the placenta efficiency was found between the FW and C groups. Melatonin treatments significantly improved the expression of antioxidants, gonadotropin receptors, and cell cycle regulatory genes in the ovary, whereas only FW treatment upregulated steroidogenic acute regulatory gene. Compared with the C and FW groups, melatonin treatments during the SW and F + SW significantly upregulated the expression of most genes in the placenta. The concentrations of estradiol were significantly higher in the SW and F + SW groups than in the FW and C groups. The concentrations of progesterone were significantly increased in the FW group compared with those in the C and SW groups, whereas the F + SW group showed intermediate values. The litter size and weight at birth significantly increased in all melatonin-treated groups compared with those in the C group. The second week of pregnancy seems to be a sensitive window for melatonin actions during pregnancy. Thus, melatonin administration during the second week of pregnancy can be effective in improving pregnancy outcomes in rabbits. [ABSTRACT FROM AUTHOR]

Introduction: The aim was to determine risk factors among mothers and outcomes for their children born at the limit of viability in 2009–2019, before and after the introduction of extended interventionist guidelines. Methods: A retrospective cohort study of births at 22 + 0–23 + 6 gestational weeks in a Swedish Region in 2009–2015 (n = 119), as compared to 2016–2019 (n = 86) after the introduction of new national interventionist guidelines. Infant mortality, morbidity, and cognitive functions at 2 years corrected age according to the Bayley-III Screening Test were monitored. Results: Maternal risk factors for extreme preterm birth were identified. The intrauterine fetal death rates were comparable. Among births at 22 weeks, the neonatal mortality tended to decrease (96 vs. 76% of live births (p = 0.05)), and the 2-year survival tended to increase (4 vs. 24% (p = 0.05)). Among births at 23 weeks, the neonatal mortality decreased (56 vs. 27% of live births (p = 0.01)), and the 2-year survival increased (42 vs. 64% (p = 0.03)). Somatic morbidity and cognitive disability at 2 years corrected age were unchanged. Conclusion: We identified maternal risk factors that emphasize the need for standardized follow-up and counseling for women at increased risk of preterm birth at the limit of viability. The increased infant survival concomitant with unchanged morbidity and cognitive disability highlight the importance of ethical considerations regarding interventionist approaches at threatening preterm birth before 24 weeks. [ABSTRACT FROM AUTHOR]

OBJECTIVE:To examine prospective parents' perceptions of management options and outcomes in the context of threatened periviable delivery, and the values they apply in making antenatal decisions during this period. STUDY DESIGN:Qualitative analysis of 46 antenatal interviews conducted at three tertiary-care hospitals with 54 prospective parents (40 pregnant women, 14 partners) who had received counseling for threatened periviable delivery (40 cases). RESULTS:Participants most often recalled being involved in resuscitation, cerclage, and delivery mode decisions. Over half (63.0%) desired a shared decision-making role. Most (85.2%) recalled hearing about morbidity and mortality, with many reiterating terms like "brain damage", "disability", and "handicap". The potential for disability influenced decision making to variable degrees. In describing what mattered most, participant spoke of giving their child a "fighting chance"; others voiced concerns about "best interest", a "healthy baby", "pain and suffering", and religious faith. CONCLUSIONS:Our findings underscore the importance of presenting clear information on disability and eliciting the factors that parents deem most important in making decisions about periviable birth.

The study was designed to evaluate the efficiency of transabdominal ultrasonographic approach for pregnancy diagnosis and monitoring the viability of fetus in mares as an alternative approach to the transrectal ultrasonography to minimize the opportunity of misdiagnosis and prevent the deleterious effect of transrectal invasive. Forty-five mares were scanned by transrectal and transabdominal ultrasonography. Results showed that 26 mares were pregnant and 19 mares were non-pregnant. The accuracy, sensitivity, specificity, the positive and negative predictive values of both approaches were 100%. Transabdominal approach required less time in comparison to transrectal ultrasonography to reach the final decision for non-pregnant mares 5.26±0.27 vs. 8.11±0.31 min, mares at second trimester 4.36±0.49 vs. 5.57±0.29 min and third trimester 4.12±0.51 vs. 5.86±0.26 min, respectively. Both methods recorded no significant correlation between the scanning time and the gestational age. The positive predictive values for determining fetal viability were 26.9% for transrectal and 80.8% for transabdominal ultrasonography. A significant variance was reported between the positive predictive values obtained by transrectal and transabdominal ultrasonography. In conclusion, the transabdominal is an effective, practical, and often essential approach of ultrasonographic for determination of pregnancy and fetal viability in mares, especially at the second and third trimesters of pregnancy. We recommended transabdominal ultrasonographic scanner as the first examination for mares presented for pregnancy diagnosis, if this approach does not accurately diagnose, the mares can be scanned transrectaly. So, we can minimize the stress and hazard of the transrectal examination.

Aim: To evaluate the pregnancy outcomes of preterm premature rupture of membranes (preterm PROM; PPROM) by gestational age. Methods: This cohort study analyzed data from the Japan Environment and Children's Study. Pregnancy outcomes were documented using descriptive statistics. Logistic regression was used to estimate the odds ratios (ORs) and 95% confidence intervals (CIs) of complications. Results: Data were collected for 104 062 fetuses, and 99 776 were eligible for inclusion. The incidences of early (18–23 weeks) and late (24–36 weeks) PPROM were 0.1% (n = 102) and 1.2% (n = 1205), respectively. Of the 1307 cases, 66 (5.0%) resulted in miscarriage or stillbirth. Overall, 85.6% (1119/1307) resulted in preterm births, and 9.3% (122/1307) in term births. There was a higher incidence of oligohydramnios (OR 6.82, 95% CI 4.07, 11.4; OR 2.42, 95% CI 1.72, 3.40), intrauterine infection (OR 11.9, 95% CI 7.06, 19.9; OR 4.39, 95% CI 3.01, 6.41), cesarean delivery (OR 3.31, 95% CI 2.32, 4.71; OR 1.34, 95% CI 0.97, 1.85), placental abruption (OR 5.57, 95% CI 2.30, 13.5; OR 5.40, 95% CI 3.58, 8.14), and 5‐min Apgar score <7 (OR 35.3, 95% CI 21.5, 57.9; OR 2.66, 95% CI 1.75, 4.05) for early and late, compared to no, PPROM, respectively. Miscarriage or stillbirth was higher in early (OR 5.84, 95% CI 3.72, 9.15) and lower in late (OR 0.21, 95% CI 0.06, 0.68) compared to those without PPROM. Conclusions: This study described the epidemiology of pregnancy outcomes of early (occurring at the limit of viability) and late PPROM. [ABSTRACT FROM AUTHOR]

This document serves as a revision to the Society of Family Planning's 2010 guidelines, integrating literature on new techniques and research and addressing the clinical, medical, and sociolegal questions surrounding the induction of fetal asystole. Insufficient evidence exists to recommend routine induction of fetal asystole before previable medication and procedural abortion. However, at periviable gestations and after fetal viability, inducing fetal asystole before abortion prevents the infrequent but serious occurrence of unanticipated expulsion of a fetus with cardiorespiratory activity (Best Practice). Defining viability is complicated as it represents a physiological continuum impacted by gestational duration along with multiple other individual clinical factors and circumstances; therefore, the exact gestational duration to offer fetal asystole will depend on the setting and clinical circumstances. If induction of fetal asystole before abortion is available, we recommend engaging in patient-centered counseling regarding the risks and benefits of induction of fetal asystole in the setting of each unique pregnancy scenario and the patient's beliefs and priorities (Best Practice). We recommend that clinicians identify the optimal pharmacologic agent to administer for a given clinical scenario based on factors such as availability of each agent; the time frame in which fetal asystole needs to be established; and clinicians' technical ability, preferences, and practice (Best Practice). Potassium chloride, lidocaine, and digoxin are all acceptable pharmaceutical agents to induce fetal asystole before abortion. To establish asystole rapidly, we suggest the use of potassium chloride (via intracardiac or intrafunic injection) or lidocaine (via intracardiac or intrafunic injection) (GRADE 2C), although intrathoracic administration of lidocaine may be acceptable. We recommend potassium chloride not be used if intracardiac or intrafunic location cannot be achieved to avoid the risk of accidental administration to the pregnant individual and because insufficient data support its efficacy via other intrafetal locations (GRADE 1C). When using digoxin, we recommend intrafetal administration (GRADE 1C), although intraamniotic administration may be acceptable depending on a clinician's technical ability and setting. Because digoxin may take several hours to induce asystole, an alternative agent should be considered in settings where fetal asystole must be confirmed rapidly., (Copyright © 2024 Elsevier Inc. All rights reserved.)

Objective: This study aimed to describe cases of cesarean scar pregnancies that were successfully treated with suction curettage under ultrasound guidance and their outcome., Methods: This retrospective, descriptive case-series study was performed on 17 patients diagnosed with cesarean scar ectopic pregnancy in Sulaimani Maternity Teaching Hospital from May 2022 to April 2023. The patients' sociodemographic and clinical data were collected. The patients were treated with suction curettage alone or in combination with local injection of methotrexate under ultrasound guidance., Results: Patients with a viable fetus (n = 4) received local intrinsic methotrexate injection into the gestational sac and suction curettage, while those in whom the fetus had died (n = 13) underwent only suction curettage. Five patients required intrauterine balloon insertion to stop bleeding without further treatment, and only three required a blood transfusion owing to severe bleeding., Conclusions: Cesarean scar ectopic pregnancy is a dangerous and complex disorder with an increasing occurrence in recent years. Accurate early diagnosis and effective management are essential to reduce maternal mortality and mortality of this type of pregnancy., Competing Interests: Declaration of conflicting interestThe author declares that there is no conflict of interest.

Previable and periviable preterm prelabor rupture of membranes are challenging obstetrical complications to manage given the substantial risk of maternal morbidity and mortality, with no guarantee of fetal benefit. The following are the Society for Maternal-Fetal Medicine recommendations for the management of previable and periviable preterm prelabor rupture of membranes before the period when a trial of neonatal resuscitation and intensive care would be considered appropriate by the healthcare team and desired by the patient: (1) we recommend that pregnant patients with previable and periviable preterm prelabor rupture of membranes receive individualized counseling about the maternal and fetal risks and benefits of both abortion care and expectant management to guide an informed decision; all patients with previable and periviable preterm prelabor rupture of membranes should be offered abortion care, and expectant management can also be offered in the absence of contraindications (GRADE 1C); (2) we recommend antibiotics for pregnant individuals who choose expectant management after preterm prelabor rupture of membranes at ≥24 0/7 weeks of gestation (GRADE 1B); (3) antibiotics can be considered after preterm prelabor rupture of membranes at 20 0/7 to 23 6/7 weeks of gestation (GRADE 2C); (4) administration of antenatal corticosteroids and magnesium sulfate is not recommended until the time when a trial of neonatal resuscitation and intensive care would be considered appropriate by the healthcare team and desired by the patient (GRADE 1B); (5) serial amnioinfusions and amniopatch are considered investigational and should be used only in a clinical trial setting; they are not recommended for routine care of previable and periviable preterm prelabor rupture of membranes (GRADE 1B); (6) cerclage management after previable or periviable preterm prelabor rupture of membranes is similar to cerclage management after preterm prelabor rupture of membranes at later gestational ages; it is reasonable to either remove the cerclage or leave it in situ after discussing the risks and benefits and incorporating shared decision-making (GRADE 2C); and (7) in subsequent pregnancies after a history of previable or periviable preterm prelabor rupture of membranes, we recommend following guidelines for management of pregnant persons with a previous spontaneous preterm birth (GRADE 1C)., (Copyright © 2024. Published by Elsevier Inc.)

Introduction: Advances in neonatal care have improved the prognosis in extremely preterm infants. The gestational age considered for active treatment has decreased globally. Despite implemented guidelines, several studies show variability in practice. The aim of this study was to understand theperspectives of Portuguese neonatologists and obstetricians regarding the management of extremely preterm infants., Methods: An online survey was sent through the Portuguese Neonatology Society and the Portuguese Society of Obstetrics and Maternal-Fetal Medicine from August to September 2023., Results: We obtained 117 responses: 53% neonatologists, 18% pediatricians, and 29% obstetricians, with 62% having more than 10 years of experience. The majority (80%) were familiar with the Portuguese Neonatology Society consensus on the limits of viability and 46% used it in practice; 62% were unaware of Portuguese morbidity-mortality statistics associated with extremely preterm infants. Most (91%) informed parents about morbiditymortality concerning the gestational age more frequently upon admission (64%) and considered their opinion in the limit of viability situations (95%). At 22 weeks gestational age, 71% proposed only comfort care, while at 25 and 26 weeks, the majority suggested active care (80% and 96%, respectively). Less consensus was observed at 23 and 24 weeks. At 24 weeks, most obstetricians offered active care with the option of comfort care by parental choice (59%), while the neonatology group provided active care (65%), p < 0.001. Regarding the lower limit of gestational age for in utero transfer, corticosteroid administration, cesarean section for fetal indication, neonatologist presence during delivery, and endotracheal intubation; neonatologists considered a lower gestational age than obstetricians (23 vs 24 weeks; p = 0.036; p < 0.001; p < 0.001; p = 0.021; p < 0.001, respectively)., Conclusion: Differences in perspectives between obstetricians and neonatologists in limits of viability situations were identified. Neonatologists considered a lower gestational age in various scenarios and proposed active care earlier. Standardized counseling for extremely preterm infants is crucial to avoid ambiguity, parental confusion, and conflicts in perinatal care.

Periviable birth refers to births occurring between 20 0/7 and 25 6/7 weeks gestational age. Management of pregnant people and neonates during this fragile time depends on the clinical status, as well as the patient's wishes. Providers should be prepared to counsel patients at the cusp of viability, being mindful of the uncertainty of outcomes for these neonates. While it is important to incorporate the data on projected morbidity and mortality into one's counseling, shared-decision making is most essential to caring for these patients and optimizing outcomes for all., Competing Interests: Disclosure The authors have nothing to disclose., (Copyright © 2024 Elsevier Inc. All rights reserved.)

Competing Interests: Declaration of Competing Interest Authors declare no conflict of interest.

The antiabortion movement is increasingly using ostensibly scientific measurements such as 'fetal heartbeat' and 'fetal pain' to provide 'objective' evidence of the moral status of fetuses. However, there is little knowledge on how clinicians conceptualise and operationalise the moral status of fetuses. We interviewed obstetrician/gynaecologists and neonatologists on this topic since their practice regularly includes clinical management of entities of the same gestational age. Contrary to our expectations, there was consensus among clinicians about conceptions of moral status regardless of specialty. First, clinicians tended to take a gradualist approach to moral status during pregnancy as they developed and viewed viability, the ability to live outside of the uterus, as morally significant. Second, in contrast to 'fetal pain' laws and philosophical discussions about the ethical salience of sentience, the clinicians in our study did not consider the ability to feel pain as a morally relevant factor in moral status determinations. Third, during previability and perviability, clinicians viewed moral status as a personal value decision, which should be made by pregnant people and parents of neonates., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2024. No commercial re-use. See rights and permissions. Published by BMJ.)

Context: In the United States, fetal development markers, including "viability" and the point when a fetus can "feel pain", have permeated the social imaginary of abortion, affecting public support and the legality and availability of care, but the extent to which they describe and orient the experience of abortion at later gestations is unclear., Methods: Using interviews with 30 cisgender women in the U.S. who obtained an abortion after 24 weeks of pregnancy, we investigate whether and how notions of fetal viability and/or pain operated in their lived experiences of pregnancy and abortion., Findings: By respondents' accounts, fetal development-based laws restricting abortion based in purported points of fetal development operated as gestational limits, privileged the viability and pain status of the fetus over that of the prospective neonate, and failed to account for the viability and pain of the pregnant person., Conclusions: The discursive practice of centering fetal development in regulating abortion access makes denial of abortion care because of the status of the fetus conceptually available-even at the point of fertilization-and naturalizes the erasure of the subjectivity of women and others who can become pregnant., (Copyright © 2024 by Duke University Press.)

An arbitrary gestational age limit of viability cannot be set, and in clinical practice the focus should be on a periviability interval-the so-called "gray zone" of prognostic uncertainty. For cases within this interval, the most appropriate decision-making process remains debatable and periviability has emerged as one of the greatest challenges in bioethics. Universally recognized ethical principles may be interpreted differently due to socioeconomic, cultural, and religious aspects. In the case of periviability, there is considerable uncertainty over whether interventions result in a greater balance of clinical good over harm. Furthermore, the fetus or neonate is unable to exercise autonomy and the physicians and parents will act as patient surrogates. When parents and physicians disagree about the infant's best interest, a dialogue without paternalistic attitudes is essential, whereby physicians should only offer, but not recommend, perinatal interventions. Parental choice, based on thorough information, should be respected within the limits of what is medically feasible and appropriate. When disagreements between parents and physicians occur, how is consensus to be achieved? Professional guidelines can be helpful as a framework and starting point for discussion. In reality, however, guidelines only rarely draw categorical lines and in many cases remain vague and ambiguously worded. Local ethics committees can provide counseling and function as moderators during discussions, but ethics committees do not have decision precedence. Counseling assumes the most significant role in periviability discussions, taking into consideration the particular fetal and maternal characteristics, as well as parental values. Several caveats should be observed relative to counseling: message fragmentation or inconsistence should be minimized, prognosis should preferably be presented in a positive framing, and overreliance on statistics should be avoided. It is recommended that decisions regarding neonatal resuscitation in the periviability interval be made before birth and not conditional on the newborn's appearance at birth. Regardless of decision, it is important to assure pre- and postnatal coherence. The present article describes how individual physicians, centers, and countries differ in the approach to the decision to initiate or forgo intensive care in the periviability interval. It is impossible to provide a global consensus view and there can be no unifying ethical, moral, or practical strategy. Nevertheless, ethically justified, quality care comprises early involvement of the obstetric and neonatal team to enable a coherent, comprehensible, nonpaternalistic, and balanced plan of care. Ultimately, physicians will need to adjust the expectations to the local standards, local outcome data, and local neonatal support availability., (© 2024 International Federation of Gynecology and Obstetrics.)

Objectives: The objective of this study was to gain knowledge and ascertain challenges about periviability counseling among obstetricians to inform curricular development., Methods: Focus groups were utilized. A series of open-ended questions was posed to each group of obstetricians; responses were audio recorded and transcribed. Transcriptions were analyzed by two coders using thematic analysis., Results: Four focus groups were convened. Prominent themes included: (1) Obstetrician knowledge about neonatal outcomes is limited, (2) Periviability counseling is both time intensive and time-challenged, (3) Patient processing of information relies on the content, delivery and patient readiness, and (4) Obstetrician bias is toward advocating for maternal safety, which may run counter to parental instinct to "do everything." The last theme was specifically focused on the role of cesarean delivery., Conclusions: Curricula focused on improving obstetrician periviability counseling should focus on neonatal outcomes, the role of cesarean delivery, and utilization of shared decision-making., (© 2024 Walter de Gruyter GmbH, Berlin/Boston.)

Despite improved survival of extremely preterm infants born at <28 weeks gestational age (GA) since the 1990s, only few reports on long-term outcomes have been published. The aim of our study was to determine risk factors among mothers and outcomes for their children born at the limit of viability (GA 22 + 0 - 23 + 6 weeks) at the Karolinska university hospital in 2009-19, before and after the introduction of new national interventionist guidelines in 2016. We hypothesized that infant survival, morbidity and cognitive functions at 2 years' corrected age had improved after the new clinical practice. Maternal risk factors were identified, which emphasize the need of standardized follow-up and counseling for women at increased risk of extreme preterm birth. The intrauterine fetal death rates were unchanged. Among births at 22 weeks, the neonatal mortality tended to decrease 96 vs. 76 percent of live births (p = 0,05), and the 2-year survival tended to increase 4 vs 24 percent (p = 0,05). At 23 weeks, the neonatal mortality decreased 56 vs 27 percent of live births (p = 0,01), and the 2-year survival increased 42 vs 64 percent (p = 0,03). In contrast, the morbidity and cognitive disability at 2 years' corrected age were unchanged. Our results were in accordance with previous reports where no substantial improvement in cognitive functions are reported among infants born at GA <24 weeks since the 1990s. They highlight the importance of comprehensive ethical considerations before active interventions at threatening preterm birth < 24 weeks.

Given the complex ethical and emotional nature of births during the periviable period for both health care providers and families, this investigation sought to identify strategies for improved counseling of pregnant patients facing preterm birth at the cusp of viability at a tertiary care center in Hawai'i. As part of a larger quality improvement project on periviability counseling, 10 patients were interviewed during either individual or small focus groups using a progression of hypothetical scenarios. Interviews were analyzed independently by 3 investigators to identify themes of patient experience and potential areas for improvement when counseling patients who are carrying periviable pregnancies. Several common themes emerged from the interviews. Patients expressed the desire for more information throughout the process delivered in a jargon-free manner with unified messaging from the medical teams, and emotional support. These findings add to a limited body of literature which addresses patient perceptions of interactions with health care providers in the face of uncertainty, particularly in a Pacific Islander population. The authors recommend increasing provider training and developing a more structured process to counsel pregnant women facing periviable pregnancy loss to improve the patient experience., Competing Interests: None of the authors identify a conflict of interest., (©Copyright 2024 by University Health Partners of Hawai‘i (UHP Hawai‘i).)

Objective: The aim of this study was to quantify the influence of maternal sociodemographic, medical, and pregnancy characteristics on not receiving maternal and neonatal interventions with deliveries occurring at 22 to 23 weeks of gestation., Study Design: This was a case-control study of U.S. live births at 22 0/6 to 23 6/7 weeks of gestation using vital statistics birth records from 2012 to 2016. We analyzed births that received no interventions for periviable delivery. Births were defined as having no interventions if they did not receive maternal (cesarean delivery, maternal hospital transfer, or antenatal corticosteroid administration) or neonatal interventions (neonatal intensive care unit admission, surfactant administration, antibiotic administration, or assisted ventilation). Logistic regression estimated the influence of maternal and pregnancy factors on the receipt of no interventions when delivery occurred at 22 to 23 weeks., Results: Of 19,844,580 U.S. live births in 2012-2016, 24,379 (0.12%) occurred at 22 to 23 weeks; 54.3% of 22-week deliveries and 15.7% of 23-week deliveries received no interventions. Non-Hispanic Black maternal race was associated with no maternal interventions at 22 and 23 weeks. Private insurance, singleton pregnancy, and small for gestational age were associated with receiving no neonatal interventions at 22 and 23 weeks of gestation., Conclusion: Withholding or refusing maternal and neonatal interventions occurs frequently at the threshold of viability. Our data highlight various sociodemographic, pregnancy, and medical factors associated with decisions to not offer or receive maternal or neonatal interventions when birth occurs at the threshold of viability. The data elucidate observed practices and may assist in the development of further research., Key Points: · Non-Hispanic Black race was associated with receiving no maternal interventions.. · Indicators of high socioeconomic status were associated with no neonatal inventions.. · Patient-level factors influence the receipt of no interventions for periviable birth.., Competing Interests: None declared., (Thieme. All rights reserved.)

Preterm birth and stillbirth are important global perinatal health indicators. Definitions of these indicators can differ between countries, affecting comparability of preterm birth and stillbirth rates across countries. This study aimed to document national-level adherence to World Health Organization (WHO) definitions of preterm birth and stillbirth in the WHO Western Pacific region. A systematic search of government health websites and 4 electronic databases was conducted. Any official report or published study describing the national definition of preterm birth or stillbirth published between 2000 and 2020 was eligible for inclusion. A total of 58 data sources from 21 countries were identified. There was considerable variation in how preterm birth and stillbirth was defined across the region. The most frequently used lower gestational age threshold for viability of preterm birth was 28 weeks gestation (range 20-28 weeks), and stillbirth was most frequently classified from 20 weeks gestation (range 12-28 weeks). High-income countries more frequently used earlier gestational ages for preterm birth and stillbirth compared with low- to middle-income countries. The findings highlight the importance of clear, standardized, internationally comparable definitions for perinatal indicators. Further research is needed to determine the impact on regional preterm birth and stillbirth rates. [ABSTRACT FROM AUTHOR]

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Introduction Uteroplacental insufficiency (UPI) causes brain damage and neurodevelopmental deficits in intrauterine growth-restricted fetus. This study examined the effect of Gallic acid (GA) on fetus viability and weight of fetus, uterus, and placenta and hippocampal piramidal cell densityof fetus in UPI model. Materials and Methods 25 pregnant Wistar rats were randomly divided into 5 groups: control, UPI+NS (Uteroplacental insufficiency + Normal saline), UPI+GA100 (Uteroplacental insufficiency + Gallic acid 100), UPI+GA200 (Uteroplacental insufficiency + Gallic acid 200) and UPI+GA400 (Uteroplacental insufficiency + Gallic acid 400). UPI induction is carried out by anterior uterine artery occlusion on gestation day (GD) 18. GA or normal saline was administrated by gavage method from GD15 to GD21. Then, on GD21 the fetus were cesarean section and after weighing, anesthetized by hypothermia, their heads were cut and the brains evaluated for histopathological studies. Results A significant increase in uterine weight and a significant decrease in fetal viability and cell density were observed in the hippocampal CA1, CA2 and CA3 subdivision in UPI+NS group compared to the control group (p˂0.05). On the other hand, viability rate, fetus weight and cell density in CA1 and CA3 subdivisions were significantly higher in the GA-treated groups than the UPI+NS group (p˂0.05). Conclusion GA reduced fetal mortality and fetal hippocampal cell damage in UPI model. Therefore, it usable to avoid the neurodevelopmental complications due to intrauterine growth restriction.

Objective: This study aims to examine the perspectives of neonatologists in Israel regarding resuscitation of preterm infants born at 22-24 weeks gestation and their consideration of parental preferences. The factors that influence physicians' decisions on the verge of viability were investigated, and the extent to which their decisions align with the national clinical guidelines were determined., Study Design: Descriptive and correlative study using a 47-questions online questionnaire., Results: 90 (71%) of 127 active neonatologists in Israel responded. 74%, 50% and 16% of the respondents believed that resuscitation and full treatment at birth are against the best interests of infants born at 22, 23 and 24 weeks gestation, respectively. Respondents' decisions regarding resuscitation of extremely preterm infants showed significant variation and were consistently in disagreement with either the national clinical guidelines or the perception of what is in the best interest of these newborns. Gender, experience, country of birth and the level of religiosity were all associated with respondents' preferences regarding treatment decisions. Personal values and concerns about legal issues were also believed to affect decision-making., Conclusion: Significant variation was observed among Israeli neonatologists regarding delivery room management of extremely premature infants born at 22-24 weeks gestation, usually with a notable emphasis on respecting parents' wishes. The current national guidelines do not fully encompass the wide range of approaches. The country's guidelines should reflect the existing range of opinions, possibly through a broad survey of caregivers before setting the guidelines and recommendations., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2024. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)

Objective: The threshold of viability, as well as cutoffs for delivery interventions and neonatal resuscitation, vary by hospital and involve complex counseling. With improvements in neonatal resuscitation and intensive care, the threshold of viability has been decreasing. Decisions regarding delivery planning and neonatal resuscitation efforts should be based on the best available evidence. Our objective was to characterize survival rates and neonatal outcomes following periviable birth at different milestones beginning with prenatal admission through 1 year of life in a contemporary cohort., Study Design: We performed a retrospective cohort study of all inborn infants without major congenital anomalies who delivered at the University of Alabama at Birmingham from 2013 to 2019 at gestational ages 22 +0/7 to 25 +6/7 . Our primary outcome was to compared survival milestones throughout the pre- and postdelivery periods and neonatal complications in surviving newborns through 1 year of life at each gestational age., Results: The survival rate to 1 year of life was 49% (48-56%, 95% confidence interval [CI]) for the entire cohort and varied according to gestational age at delivery (22 weeks 15% [10-23%, 95% CI], 23 weeks 48% [43-58%, 95% CI], 24 weeks 57% [52-67%, 95% CI], 25 weeks 71% [67-82%, 95% CI]). Overall for the entire cohort, the rate of lung disease requiring respiratory support at discharge was 51%, intraventricular hemorrhage was 42%, retinopathy of prematurity was 74%, pulmonary hypertension was 30%, and concerns for cerebral palsy at 1 year of life was 25%. All outcomes improved with advancing gestational age at delivery. Of infants who delivered during the 22 nd week of gestation, 50% received antenatal corticosteroids. Infants exposed to antenatal corticosteroids had more interventions, less pulmonary hypertension, and improved survival to 1 year of life., Conclusion: Knowledge of maternal complications, longitudinal survival rates, and neonatal outcomes of periviable deliveries according to gestational age throughout the admission enhances obstetric and perinatal counseling after hospital admission., Key Points: · Periviable birth outcomes at different delivery milestones is important for counseling.. · Providing contemporary outcomes for periviable deliveries is critical for accurate counseling.. · Administration of antenatal corticosteroids at 22 weeks' gestation appears beneficial overall.., Competing Interests: None declared., (Thieme. All rights reserved.)

Restrictive abortion laws have impacts reaching far beyond the immediate sphere of reproductive health, with cascading effects on clinical and ethical aspects of neonatal care, as well as perinatal palliative care. These laws have the potential to alter how families and clinicians navigate prenatal and postnatal medical decisions after a complex fetal diagnosis is made. We present a hypothetical case to explore the nexus of abortion care and perinatal care of fetuses and infants with life-limiting conditions. We will highlight the potential impacts of limited abortion access on families anticipating the birth of these infants. We will also examine the legally and morally fraught gray zone of gestational viability where both abortion and resuscitation of live-born infants can potentially occur, per parental discretion. These scenarios are inexorably impacted by the rapidly changing legal landscape in the U.S., and highlight difficult ethical dilemmas which clinicians may increasingly need to navigate., (© 2024. The Author(s), under exclusive licence to Springer Nature America, Inc.)

Objective: Active treatment for periviable infants may be influenced by neonatal and obstetric provider perceptions of prognosis. The two aims of this study are to (1) quantify prognostic discordance between provider and data-driven survival estimates and (2) evaluate if prognostic discordance is associated with the threshold probability of survival at which neonatal providers recommend active treatment or obstetric providers recommend antenatal corticosteroids., Study Design: Provider survival estimates and threshold probabilities of survival for active treatment and antenatal steroid use were obtained from a case-based survey for an infant or pregnancy at 22 weeks' gestation that was administered at two Atlanta hospitals. Data-driven survival estimates, including ranges, were acquired through the National Institute of Child Health and Human Development Extremely Preterm Birth Outcomes Tool. Prognostic discordance was calculated as the difference between a provider and data-driven estimates and classified as pessimistic (provider estimate below data-driven estimate range), accurate (within range), or optimistic (above range). The association between prognostic discordance and the threshold probability of survival was evaluated using nonparametric tests., Results: We had 137 neonatal respondents (51% response rate) and 57 obstetric responses (23% response rate). The overall median prognostic discordance was 1.5% (interquartile range: 17, 13) and 52 (27%) of all respondents were pessimistic, 100 (52%) were accurate, and 42 (22%) were optimistic. The survival threshold above which neonatal and obstetric providers recommended active treatment or antenatal corticosteroids was 30% (20-45%) and 10% (0-20%), respectively. Thresholds did not significantly differ among the three prognostic discordance groups ( p  = 0.45 for neonatal and p  = 0.53 for obstetric providers). There was also no significant correlation between the magnitude of prognostic discordance and thresholds., Conclusion: Prognostic discordance exists among both neonatal and obstetric providers. However, this discordance is not associated with the threshold probability of survival at which providers recommend active treatment or antenatal corticosteroids at 22 weeks' gestation., Key Points: · Prognostic discordance at 22 weeks' gestation exists for neonatal and obstetric providers.. · Prognostic discordance is not associated with survival thresholds for neonatal active treatment.. · Prognostic discordance is not associated with survival thresholds for the use of antenatal corticosteroids.., Competing Interests: None declared., (Thieme. All rights reserved.)

Objective: Data from the academic medical centers in the United States showing improvements in survival of periviable infants born at 22 to 24 weeks GA may not be nationally representative since a substantial proportion of preterm infants are cared for in community hospital-based neonatal intensive care units. Our objective was to examine the national trends in survival and other short-term outcomes among preterm infants born at ≤24 weeks gestational age (GA) in the United States from 2009 to 2018., Study Design: This was a retrospective, repeated cross-sectional analysis of the National Inpatient Sample for preterm infants ≤24 weeks GA. The primary outcome was the trends in survival to discharge. Secondary outcomes were the trends in the composite outcome of death or one or more major morbidity (bronchopulmonary dysplasia, necrotizing enterocolitis stage ≥2, periventricular leukomalacia, severe intraventricular hemorrhage, and severe retinopathy of prematurity). The Cochran-Armitage trend test was used for trend analysis. p -Value <0.05 was considered significant., Results: Among 71,854 infants born at ≤24 weeks GA, 34,251 (47.6%) survived less than 1 day and were excluded. Almost 93% of those who survived <1 day were of ≤23 weeks GA. Among the 37,603 infants included in the study cohort, 48.1% were born at 24 weeks GA. Survival to discharge at GA ≤ 23 weeks increased from 29.6% in 2009 to 41.7% in 2018 ( p  < 0.001), while survival to discharge at GA 24 weeks increased from 58.3 to 65.9% ( p  < 0.001). There was a significant decline in the secondary outcomes among all the periviable infants who survived ≥1 day of life., Conclusion: Survival to discharge among preterm infants ≤24 weeks GA significantly increased, while death or major morbidities significantly decreased from 2009 to 2018. The postdischarge survival, health care resource use, and long neurodevelopmental outcomes of these infants need further investigation., Key Points: · Survival increased significantly in infants ≤24 weeks GA in the United States from 2009 to 2018.. · Death or major morbidity in infants ≤24 weeks GA decreased significantly from 2009 to 2018.. · Death or surgical procedures including tracheostomy, VP shunt placement, and PDA surgical closure in infants <=24 weeks GA decreased significantly from 2009 to 2018.., Competing Interests: None declared., (Thieme. All rights reserved.)

Purpose: To compare the effectiveness of vaginal misoprostol for second-trimester termination between pregnancies with a dead fetus in utero and those with a live fetus and to identify factors associated with the success rate., Methods: Singleton pregnancies with live fetuses and dead fetuses, between 14 and 28 weeks of gestation, with an unfavorable cervix, were recruited to have pregnancy termination with intravaginal misoprostol 400 mcg every 6 h., Results: Misoprostol was highly effective for termination, with a low failure rate of 6.3%. The effectiveness was significantly higher in pregnancies with a dead fetus (log-rank test; p: 0.008), with a median delivery time of 11.2 vs. 16.7 h. Fetal viability, fetal weight or gestational age, and an initial Bishop score were significantly associated with the total amount of misoprostol dosage used for induction. Fetal viability and gestational age/fetal weight were still independent factors after adjustment for other co-factors on multivariate analysis., Conclusion: Vaginal misoprostol is highly effective for second-trimester termination, with significantly higher effectiveness in pregnancies with a dead fetus. Also, the effectiveness is significantly associated with birth weight/gestational age, and initial Bishop score., (© 2023. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)

Copyright of Der Unfallchirurg is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Background and objective: Approximately one in third of pregnant women experience discomfort, pain and or vaginal bleeding during the first trimester of pregnancy. Ultrasound is known to be a useful tool in detecting and diagnosing the viability of the fetus but it is sometimes inconclusive. In cases in which pregnant women experience symptoms of discomfort, serum progesterone may be admitted to the patient for counseling and prediction of the continuity of pregnancy. This study aimed to estimate the relation between single serum progesterone level and the viability of the fetus during the first trimester. Method: A prospective study was carried out in Maternity teaching hospital-Erbil city to estimate the accuracy of single serum progesterone measurement for the prediction of fetal viability at the end of the first trimester. All the cases have been detected by ultrasound device that has been for women who attended the hospital and reported the feeling of discomfort, pain and bleeding early in the first trimester of pregnancy, serum progesterone level of the patients were compared between viable and nonviable fetuses. Results: A total of 97 participants were involved in this study; 57 participants had a viable pregnancy at the end of the first trimester, and 40 participants had un-viable pregnancy that has been terminated either by spontaneous abortion or termination performed for missed abortion. The mean of serum progesterone level in viable pregnancies was (19.358 ng\ml) when compared with the non-viable pregnancies which were (11.082 ng\ml). The differences were statistically significant (P

Preterm prelabour rupture of membranes (PPROM) complicates up to 3% of pregnancy and is responsible for one third of preterm deliveries. PPROM at extremely preterm gestations (<24 weeks) affects 0.4% of pregnancies and is associated with low neonatal survival rates, high rate of neonatal complications in survivors, and carries major risk of maternal morbidity and mortality. We present a rare case of pregnancy complicated by PPROM at 14 weeks which resulted in a term delivery and a good neonatal outcome. [ABSTRACT FROM AUTHOR]

Objectives: (1) To study the predictors of pregnancy continuation up to 28 weeks in first‐trimester threatened miscarriage after a single clinical and ultrasound (US) evaluation. (2) To assess the role of both clinical and US predictors in counseling and decreasing repeated emergency follow‐up scans. Methods: A prospective observational study that included a cohort of 241 patients with threatened miscarriage (≥6–12 weeks) was conducted. They had a single clinical and US evaluation, and then they were contacted by weekly phone calls until completing 28 weeks' gestation or reporting miscarriage. Independently, all patients were followed by the recommended routine US scanning with or without emergency visits. Results: Two hundred thirty‐three patients completed the study, of whom 193 patients continued up to 28 weeks' gestation, and 40 miscarried (17.1%). Only spotting/mild bleeding episodes and progesterone treatment were the clinical predictors of fetal viability. The embryonic/fetal heart rate (E/FHR) was the best single US predictor, with a specificity and positive predictive value of 95.3% and 97.2%, respectively. Combining 3 US parameters, at their best cutoff points (E/FHR >113 beats per minute, crown‐rump length >19.9 mm, and gestational sac diameter >27.3 mm), had a specificity and positive predictive value of 98% and 99% (first‐trimester US triad of fetal viability). Conclusions: [1] In first‐trimester threatened miscarriage, clinical parameters that could predict fetal viability included spotting/ mild bleeding and progesterone treatment. [2] After a single US scan, the presence of at least an E/FHR of greater than 113 bpm or the suggested first‐trimester US triad appeared as a simple, measurable, and effective predictor of pregnancy continuation up to 28 weeks. [3] These US predictors are not to replace the recommended scheduled scanning during pregnancy. [4] This can improve patients' counseling and decrease the need for repeated emergency follow‐up scans. Otherwise, there is an indication for repeating US scans at a 1‐week to 10‐day interval. [ABSTRACT FROM AUTHOR]

The limit of viability is a period of uncertainty regarding the prognosis and treatment, where palliative care (PC) is important to dignify death, although, in several countries, they are not implemented as in Colombia. The peculiarities of newborns make PC differ from care at other stages of life and which are rarely accepted by professionals who consider them overwhelming. The case of a newborn of 23 weeks of gestation is exposed where nursing care is revealed to the newborn and his family according to the theory of the peaceful end of life (PEL). The theory of the PEL is useful in the development of neonatal PC, which must be differentiated, improving well-being, and family support. Furthermore, health systems must recognize emotional risks for professionals. [ABSTRACT FROM AUTHOR]

In recent years, significant improvements in survival and survival‐free of major morbidity in babies born at 23+0 to 24+6 weeks of gestation have led to a more pro‐active approach to resuscitation at these peri‐viable gestations. Antenatal counselling and interventions, intrapartum care and postnatal advice should be part of the package of care provided to optimise outcomes for these babies and their families. This observational study assesses the perinatal care provided to mothers and their babies who were born at 23 and 24 weeks of gestations over a two‐year period at a tertiary maternity hospital in New Zealand. [ABSTRACT FROM AUTHOR]

In June 2022, the Dobbs v. Jackson Women's Health Organization Supreme Court decision ended the constitutional right to the professional practice of abortion throughout the United States. The removal of the constitutional right to abortion has significantly altered the practice of obstetricians and gynecologists across the US. It potentially increases risks to pregnant patients, leads to profound changes in how physicians can provide care, especially in states with strict bans or gestational limits to abortion, and has introduced personal challenges, including moral distress and injury as well as legal risks for patients and clinicians alike. The professional responsibility model is based on the ethical concept of medicine as a profession and has been influential in shaping medical ethics in the field of obstetrics and gynecology. It provides the framework for the importance of ethical and professional conduct in obstetrics and gynecology. Viability marks a stage where the fetus is a patient with a claim to access to medical care. By allowing unrestricted abortions past this stage without adequate justifications, such as those concerning the life and health of the pregnant individual, or in instances of serious fetal anomalies, the states may not be upholding the equitable ethical consideration owed to the fetus as a patient. Using the professional responsibility model, we emphasize the need for nuanced, evidence-based policies that allow abortion management prior to viability without restrictions and allow abortion after viability to protect the pregnant patient's life and health, as well as permitting abortion for serious fetal anomalies., (© 2024 Walter de Gruyter GmbH, Berlin/Boston.)

Objective: To describe the opinions of pediatricians who teach resuscitation in Brazil on initiating and limiting the delivery room resuscitation of extremely preterm infants. Method: Cross‐sectional study with electronic questionnaire (Dec/2011–Sep/2013) sent to pediatricians who are instructors of the Neonatal Resuscitation Program of the Brazilian Society of Pediatrics, containing three hypothetical clinical cases: (1) decision to start the delivery room resuscitation; (2) limitation of neonatal intensive care after delivery room resuscitation; (3) limitation of advanced resuscitation in the delivery room. For each case, it was requested that the instructor indicate the best management for each gestational age between 23 and 26 weeks. A descriptive analysis was performed. Results: 560 (82%) instructors agreed to participate. Only 9% of the instructors reported the existence of written guidelines at their hospital regarding limitations of delivery room resuscitation. At 23 weeks, 50% of the instructors would initiate delivery room resuscitation procedures. At 26 weeks, 2% would decide based on birth weight and/or presence of fused eyelids. Among the participants, 38% would re‐evaluate their delivery room decision and limit the care for 23‐week neonates in the neonatal intensive care unit. As for advanced resuscitation, 45% and 4% of the respondents, at 23 and 26 weeks, respectively, would not apply chest compressions and/or medications. Conclusion: Difficulty can be observed regarding the decision to not resuscitate a preterm infant with 23 weeks of gestational age. At the same time, a small percentage of pediatricians would not resuscitate neonates of unquestionable viability at 26 weeks of gestational age in the delivery room.

OBJECTIVE: The goal of the present study was to examine the decisions of pediatricians who teach neonatal resuscitation in Brazil, particularly those who start resuscitation in the delivery room for newborns born at 23-26 gestational weeks. METHODS: The present study was a cross-sectional study that used electronic questionnaires (Dec/11-Sep/13) sent to instructors of the Neonatal Resuscitation Program of the Brazilian Society of Pediatrics. The primary outcome was the gestational age at which the respondent said that he/she would initiate positive pressure ventilation in the delivery room. Latent class analysis was used to identify the major profiles of these instructors, and logistic regression was used to identify variables associated with belonging to one of the derived classes. RESULTS: Of 685 instructors, 82% agreed to participate. Two latent classes were identified: ‘pro-resuscitation’ (instructors with a high probability of performing ventilation on infants born at 23-26 weeks) and ‘pro-limitation’ (instructors with a high probability of starting ventilation only for infants born at 25-26 weeks). In the multivariate model, compared with the ‘pro-limitation’ class, ‘pro-resuscitation’ pediatricians were more likely to be board-certified neonatologists and less likely to base their decision on the probability of the infant’s death or on moral/religious considerations. CONCLUSION: The pediatricians in the most aggressive group were more likely to be specialists in neonatology and to use less subjective criteria to make delivery room decisions.