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01.12.2018 | Research article | Ausgabe 1/2018 Open Access

BMC Pregnancy and Childbirth 1/2018

‘Elective caesarean section at 38–39 weeks gestation compared to > 39 weeks on neonatal outcomes: a prospective cohort study

BMC Pregnancy and Childbirth > Ausgabe 1/2018
Reihaneh Pirjani, Motahareh Afrakhteh, Mahdi Sepidarkish, Shahin Nariman, Mahboobeh Shirazi, Ashraf Moini, Ladan Hosseini



This study was conducted to compare neonatal complications in scheduled cesarean sections (CS) between 38 and 39 gestational weeks with CS performed after 39 gestational weeks in Iranian low -risk pregnant women.


In this cohort study, 2086 patients were enrolled based on the inclusion and exclusion criteria. The neonates were evaluated in terms of the following items: transient tachypnea of the newborn (TTN), respiratory distress syndrome (RDS), sepsis, need for NICU hospitalization, birth weight, birth height, head circumference, and the first minute and fifth minute Apgar score. Several multiple logistic regression models were performed for each response variable (adverse outcome) separately.


The incidence of NICU admission was significantly higher in neonates born at 38–39 gestational weeks than those who were born after 39 gestational weeks. No significant differences were found in the incidence of neonatal sepsis, TTN, and RDS between the two groups.


According to our study results, elective CS at 38–9 weeks’ gestation is associated with a higher rate of TTN and NICU admission in comparison with elective CS performed after 39 completed gestational weeks.
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