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Objective The objective of this study was to examine temporal trends in the clinical presentation of patients diagnosed with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in pregnancy. Study Design This is a retrospective cohort study of pregnant women who were universally screened for SARS-CoV-2 and tested positive. This multi-center study of admissions to labor and delivery units in New York City and Long Island included all SARS-CoV-2-infected pregnant women admitted to labor and delivery units between April 10th and June 4th 2020. Six Northwell Health hospitals and Maimonides Medical Center were included in the study. The main measures of the study included patient reports of COVID-19 symptoms: fever, cough, chest pain, shortness of breath, nausea, vomiting, and intensive care unit (ICU) admissions. The main outcome measure was the percentage of all infected women who reported any of the above symptoms. Results In total, 427 infected pregnant women were included in the study. There was a statistically significant decline in the percentage of patients presenting with any symptoms over the course of the study. In addition, disease severity, symptoms of fever, cough, and chest pain/shortness of breath also significantly declined over time, and no ICU admissions were noted after the third week of April. Conclusion There was a temporal shift away from symptomatic presentation in pregnant women diagnosed with SARS-CoV-2 over the course of the first months of the epidemic in New York. Further studies are necessary to elucidate the cause of this change in presentation among pregnant women, to determine whether this trend is also observed in other patient populations. Key Points Retrospective cohort review of 427 SARS-CoV-2-infected pregnant women admitted to labor and delivery units. A significant decline in the percentage of patients presenting with symptoms over time was noted. Further studies are necessary to elucidate the cause of this change in presentation. Theories for the noted trend: viral evolution, decreased viral inoculums, and prolonged polymerase chain reaction positivity. [ABSTRACT FROM AUTHOR]

The immediate postpartum period, during delivery hospitalization, represents a unique opportunity to offer coronavirus disease 2019 (COVID-19) vaccination to those who did not previously receive it. In this study, we evaluated patient characteristics associated with acceptance of vaccination in this group. This retrospective cohort study evaluated all unvaccinated patients who were offered postpartum COVID-19 vaccination during delivery hospitalization between May 2021 and September 2021 at seven hospitals within a large integrated health system in New York. During the study period, each hospitalized, unvaccinated obstetrical patient was offered the vaccine prior to discharge. Patients with positive SARS-CoV-2 PCR testing during hospitalization were excluded. Medical records were reviewed to obtain sociodemographic characteristics and to confirm administration of COVID-19 vaccination. Multiple logistic regression was performed to model the probability of receiving postpartum vaccination. A total of 8,281 unvaccinated postpartum patients were included for analysis and 412 (5%) received a COVID-19 vaccine before hospital discharge. Patients who received the vaccine were more likely to be older, have private insurance, decline to answer questions about religious affiliation, and deliver in the final two months of the study period. Likelihood of receiving postpartum vaccination was not affected by race-ethnicity, preferred language, marital status, parity, body mass index, or neighborhood socioeconomic conditions. Patients who declined vaccination were more likely to have positive SARS-CoV-2 antibody testing at delivery compared to those who received vaccination (49 vs. 29%; p <.001). Only 5% of unvaccinated postpartum patients received a COVID-19 vaccine before hospital discharge. It is concerning that patients with public health insurance were less likely to receive vaccination. This may be due to variation in vaccine counseling or other unmeasured factors. Despite the low acceptance rate in our study population, COVID-19 vaccination should be offered in a variety of clinical settings to maximize opportunities for administration. [ABSTRACT FROM AUTHOR]

Objective  To determine whether early postpartum discharge during the coronavirus disease 2019 (COVID-19) pandemic was associated with a change in the odds of maternal postpartum readmissions. Study Design  This is a retrospective analysis of uncomplicated postpartum low-risk women in seven obstetrical units within a large New York health system. We compared the rate of postpartum readmissions within 6 weeks of delivery between two groups: low-risk women who had early postpartum discharge as part of our protocol during the COVID-19 pandemic (April 1–June 15, 2020) and similar low-risk patients with routine postpartum discharge from the same study centers 1 year prior. Statistical analysis included the use of Wilcoxon's rank-sum and chi-squared tests, Nelson–Aalen cumulative hazard curves, and multivariate logistic regression. Results  Of the 8,206 patients included, 4,038 (49.2%) were patients who had early postpartum discharge during the COVID-19 pandemic and 4,168 (50.8%) were patients with routine postpartum discharge prior to the COVID-19 pandemic. The rates of postpartum readmissions after vaginal delivery (1.0 vs. 0.9%; adjusted odds ratio [OR]: 0.75, 95% confidence interval [CI]: 0.39–1.45) and cesarean delivery (1.5 vs. 1.9%; adjusted OR: 0.65, 95% CI: 0.29–1.45) were similar between the two groups. Demographic risk factors for postpartum readmission included Medicaid insurance and obesity. Conclusion  Early postpartum discharge during the COVID-19 pandemic was associated with no change in the odds of maternal postpartum readmissions after low-risk vaginal or cesarean deliveries. Early postpartum discharge for low-risk patients to shorten hospital length of stay should be considered in the face of public health crises. Key Points Early postpartum discharge was not associated with an increase in odds of hospital readmissions after vaginal delivery. Early postpartum discharge was not associated with an increase in odds of hospital readmissions after cesarean delivery. Early postpartum discharge for low-risk patients should be considered during a public health crisis. [ABSTRACT FROM AUTHOR]

Objectives: To report our experience with early postpartum discharge to decrease hospital length of stay among low-risk puerperium patients in a large obstetrical service during the COVID-19 pandemic in New York. Methods: Retrospective analysis of all uncomplicated postpartum women in seven obstetrical units within a large health system between December 8th, 2019 and June 20th, 2020. Women were stratified into two groups based on date of delivery in relation to the start of the COVID-19 pandemic in New York (Mid-March 2020); those delivering before or during the COVID-19 pandemic. We compared hospital length of stay, defined as time interval from delivery to discharge in hours, between the two groups and correlated it with the number of COVID-19 admissions to our hospitals. Statistical analysis included use of Wilcoxon rank sum test and Chi-squared test with significance defined as p-value<0.05. Results: Of the 11,770 patients included, 5,893 (50.1%) delivered prior to and 5,877 (49.9%) delivered during the COVID-19 pandemic. We detected substantial shortening in postpartum hospital length of stay after vaginal delivery (34 vs. 48 h, p≤0.0001) and cesarean delivery (51 vs. 74 h, p≤0.0001) during the COVID-19 pandemic. Conclusions: We report successful implementation of early postpartum discharge for low-risk patients resulting in a significantly shorter hospital stay during the COVID-19 pandemic in New York. The impact of this strategy on resource utilization, patient satisfaction and adverse outcomes requires further study. [ABSTRACT FROM AUTHOR]

Objective  This study aimed to determine the rate of preterm birth (PTB) during hospitalization among women diagnosed with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) between 23 and 37 weeks of gestation and whether this rate differs by gestational age at diagnosis of infection. Study Design  Retrospective, cross-sectional study of all women diagnosed with SARS-CoV-2 infection between 23 and 37 weeks of gestation within a large integrated health system from March 13 to April 24, 2020. Cases with severe fetal structural malformations detected prior to infection were excluded. Women were stratified into two groups based on gestational age at diagnosis: early preterm (23 0/7 to 33 6/7 weeks) versus late preterm (34 to 36 6/7 weeks). We compared the rate of PTB during hospitalization with infection between the two groups. Statistical analysis included use of Wilcoxon rank sum and Fisher exact tests, as well as a multivariable logistic regression. Statistical significance was defined as a p -value <0.05. Results  Of the 65 patients included, 36 (53.7%) were diagnosed in the early preterm period and 29 (46.3%) were diagnosed in the late preterm period. Baseline demographics were similar between groups. The rate of PTB during hospitalization with infection was significantly lower among women diagnosed in the early preterm period compared with late preterm (7/36 [19.4%] vs. 18/29 [62%], p -value = 0.001). Of the 25 patients who delivered during hospitalization with infection, the majority were indicated deliveries (64%, 16/25). There were no deliveries <33 weeks of gestation for worsening coronavirus disease 2019 and severity of disease did not alter the likelihood of delivery during hospitalization with SARS-CoV-2 infection (adjusted odds ratio [aOR]: 0.64; 95% confidence interval [CI]: 0.24–1.59). Increased maternal age was associated with a lower likelihood of delivery during hospitalization with SARS-CoV-2 infection (aOR: 0.77; 95% CI: 0.58–0.96), while later gestational age at diagnosis of infection was associated with a higher likelihood of delivery during hospitalization (aOR: 2.9; 95% CI: 1.67–8.09). Conclusion  The likelihood of PTB during hospitalization with SARS-CoV-2 infection is significantly lower among women diagnosed in the early preterm period compared with late preterm. Most women with SARS-CoV-2 infection in the early preterm period recovered and were discharged home. The majority of PTB were indicated and not due to spontaneous preterm labor. Key Points Preterm delivery is less likely among women diagnosed in the early preterm compared with late preterm. Most women infected in the early preterm period recovered and were discharged home undelivered. The majority of preterm birth were indicated and not due to spontaneous preterm labor. [ABSTRACT FROM AUTHOR]

The effect of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) on placental tissue is unclear. We present a case of symptomatic first trimester SARS-CoV-2 infection in which longitudinal ultrasound images demonstrated diffuse areas of echogenic foci. Her 39-week delivery, following an elective induction of labor, was uncomplicated, and placental pathology evaluation noted extensive calcifications. Such findings are sometimes seen in late and post-term pregnancies and those complicated by smoking, hypertensive disorders, diabetes, and viral infections. In this case, no other potential etiology was identified. Thus, we conclude that placental calcifications may be associated with SAR-CoV-2 infection in early pregnancy. [ABSTRACT FROM AUTHOR]