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Objective Hypertensive disorders of pregnancy (HDP) are common complications associated with severe maternal and neonatal morbidity. One goal of prenatal care, especially at term, is to screen for HDP. As treatment of HDP centers on delivery when appropriate, timely diagnosis is crucial. We postulated that reduced in-person visits during the coronavirus disease 2019 (COVID-19) pandemic may have resulted in delayed diagnosis of HDP with concomitant higher rates of maternal morbidity. We sought to investigate the prevalence of HDP during the COVID-19 pandemic, as well as median gestational age at time of delivery as compared with the prepandemic median. Study Design This was a retrospective cohort analysis comparing singleton deliveries at four large-volume hospitals during the COVID-19 pandemic (April–July 2020 during a statewide "stay-at-home" order) to those in a pre-COVID era (April–July 2019). Deliveries complicated by HDP were identified by International Classification of Disease, Tenth Revision codes. Rates of HDP and markers of severe disease were the primary outcomes compared between the groups; multivariate regression was used to calculate the odds ratio of severe disease among women with any diagnosis of HDP. Results The cohort included 9,974 deliveries: 5,011 in 2020 and 4,963 in 2019. Patient characteristics (age, body mass index, race, ethnicity, and insurance type) did not differ significantly between the groups. There was an increase in HDP during the COVID era (9.0 vs. 6.9%; p < 0.01), which was significant even when controlling for patient parity (odds ratio = 1.41, 95% confidence interval: 1.20–1.66). Among women with HDP, gestational age at delivery did not differ between the cohorts, nor did the proportion of patients with severe disease. Conclusion We found a statistically significant increase in the rate of HDP during the COVID-19 pandemic. However, there was no change in the proportion of severe disease, suggesting that this increase did not significantly impact clinical morbidity. Key Points Rates of HDP increased during the COVID-19 pandemic. There was no change in the proportion of severe HDP. HDP-related maternal/neonatal morbidity was unchanged. [ABSTRACT FROM AUTHOR]

Objective The aim of the study is to analyze maternal morbidity in the second stage of labor in a manner that approximates clinical choice. Study Design The study design comprises secondary analysis of the Consortium for Safe Labor, which included 228,688 deliveries at 19 hospitals between 2002 and 2008. We included the 107,675 women who were undergoing a trial of labor without a prior uterine scar or history of substance abuse, who reached the second stage, with a liveborn, nonanomalous, vertex, singleton, at term of at least 2,500 g. Maternal complications included postpartum fever, hemorrhage, blood transfusion, thrombosis, intensive care unit (ICU) admission, hysterectomy, and death. For maternal complications, we simulated the clinical choice by comparing operative vaginal or cesarean deliveries to continued expectant management at every hour in the second stage. For neonatal complications, we modeled the risk of severe neonatal complication by second stage duration for spontaneous vaginal deliveries only, adjusting for maternal demographics, comorbidities, and delivery hospital. Severe neonatal complications included death, asphyxia, hypoxic-ischemic encephalopathy (HIE), seizure, sepsis with prolonged stay, need for mechanical ventilation, and 5-minute Apgar score <4. Results Maternal morbidity was higher with operative vaginal/cesarean delivery versus continued expectant management for every hour in the second stage, a difference that was statistically significant at hour 2 (18.4 vs. 14.7%; p <0.01). Overall, 951 (0.88%) deliveries were complicated by a severe neonatal complication. A second stage over 4 hours was associated with an adjusted odds of severe neonatal complication of 2.10 (95% confidence interval [CI]: 1.32–3.34) as compared with women who delivered in the first hour. Conclusion There is a trade-off between maternal and neonatal morbidity in the second stage of labor. Serious neonatal complications rise throughout, however, there is no time at which maternal morbidity is improved with a cesarean or operative vaginal delivery. Strategies are needed to identify neonates at highest risk of complication for targeted intervention. Key Points Severe neonatal complications increase with every hour in the second stage. Shortening the second stage is associated with higher maternal complications at every hour. There is a trade-off between maternal and neonatal morbidity in the second stage. [ABSTRACT FROM AUTHOR]

Objective We aimed to examine the relationship of sociodemographic variables with racial/ethnic disparities in unplanned cesarean births in a large academic hospital system. Secondarily, we investigated the relationship of these variables with differences in cesarean delivery indication, cesarean delivery timing, length of second stage and operative delivery. Study Design We conducted a retrospective cohort study of births >34 weeks between 2017 and 2019. Our primary outcome was unplanned cesarean delivery after a trial of labor. Multiple gestations, vaginal birth after cesarean, elective repeat or primary cesarean delivery, and contraindications for vaginal delivery were excluded. Associations between mode of delivery and patient characteristics were assessed using Chi-square, Fisher exact tests, or t -tests. Odds ratios were estimated by multivariate logistic regression. Goodness of fit was assessed with Hosmer Lemeshow test. Results Among 18,946 deliveries, the rate of cesarean delivery was 14.8% overall and 21.3% in nulliparous patients. After adjustment for age, body mass index (BMI), and parity, women of Black and Asian races had significantly increased odds of unplanned cesarean delivery; 1.69 (95% CI: 1.45,1.96) and 1.23 (1.08, 1.40), respectively. Single Hispanic women had adjusted odds of 1.65 (1.08, 2.54). Single women had increased adjusted odds of cesarean delivery of 1.18, (1.05, 1.31). Fetal intolerance was the indication for 39% (613) of cesarean deliveries among White women as compared to 63% (231) of Black women and 49% (71) of Hispanic women (p <0.001). Conclusion Rates of unplanned cesarean delivery were significantly higher in Black and Asian compared to White women, even after adjustment for age, BMI, parity, and zip code income strata, and rates of unplanned cesarean delivery were higher for Hispanic women self-identifying as single. Racial and ethnic differences were seen in cesarean delivery indications and operative vaginal deliveries. Future work is urgently needed to better understand differences in provider care or patient attributes, and potential provider bias, that may contribute to these findings. Key Points Racial, ethnic, and socioeconomic differences exist in the odds of unplanned cesarean. Indications for unplanned cesarean delivery differed significantly among racial and ethnic groups. There may be unmeasured provider level factors which contribute to disparities in cesarean rates. [ABSTRACT FROM AUTHOR]