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  • Title: Neonatal outcomes in trial of vaginal birth versus repeat caesarean delivery in preterm pregnancies: A prospective cohort study.
    Author: C Suresh S, Dude A.
    Journal: BJOG; 2022 Jul; 129(8):1319-1324. PubMed ID: 34897930.
    Abstract:
    OBJECTIVE: To characterise neonatal morbidity following preterm trial of labour (TOL) in comparison with elective repeat caesarean section (eRCS) specifically among patients without a previous vaginal delivery who may have a lower success rate of vaginal birth after caesarean. DESIGN: This is a secondary analysis of a multicentre prospective database. SETTING/POPULATION: Maternal and Fetal Medicine Unit Cesarean Section Registry. POPULATION: Singleton pregnancies in women without a previous vaginal delivery who delivered at 24+0  weeks to 36+6  weeks gestation. METHODS: Neonatal outcomes were compared between those with a TOL and those undergoing eRCS. Logistic regression was used to control for confounders, including gestational age at delivery. MAIN OUTCOME MEASURES: Composite neonatal morbidity. RESULTS: A total of 1906 patients were included, 985 with TOL and 921 with no TOL. The TOL success rate was 63.1%. The rate of uterine rupture was low, at 0.10% in the TOL group and 0.11% in the eRCS group (p = 0.32). After adjustment, neonates born to women undergoing a TOL had no statistically significant difference in outcomes including composite neonatal outcome (adjusted odds ratio 0.86, 95% CI 0.68-1.09), neonatal intensive care unit admission, respiratory distress syndrome, necrotising enterocolitis, hypoxic ischaemic encephalopathy, seizures, transient tachypnoea of the newborn, compared with patients who underwent eRCS, with the exception of decreased risk of proven/suspected sepsis (adjusted odds ratio 0.68, 95% CI 0.52-0.87) CONCLUSION: A TOL in preterm patients without a previous vaginal delivery was not found to have a statistically significant association with increased neonatal morbidity.
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