Journal
BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY
Volume 120, Issue 9, Pages 1123-1132Publisher
WILEY
DOI: 10.1111/1471-0528.12278
Keywords
Elective caesarean section; maternal outcomes; neonatal intensive care unit admission; neonatal outcomes; timing
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Funding
- Danish Council for Independent Research Medical sciences
- Health Research Fund of Central Denmark Region
- Philanthropic Foundation TrygFonden
- Aase and Ejnar Danielsen's Foundation
- Sophus Jacobsen's Foundation
- Dagmar Marshall's Foundation
- Marie Dorthea and Holger From, Haderslev's Foundation
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Objectives To investigate whether elective caesarean section before 39 completed weeks of gestation increases the risk of adverse neonatal or maternal outcomes. Design Randomised controlled multicentre open-label trial. Setting Seven Danish tertiary hospitals from March 2009 to June 2011. Population Women with uncomplicated pregnancies, a single fetus, and a date of delivery estimated by ultrasound scheduled for delivery by elective caesarean section. Methods Perinatal outcomes after elective caesarean section scheduled at a gestational age of 38weeks and 3days versus 39weeks and 3days (in both groups +/- 2days). Main outcome measures The primary outcome was neonatal intensive care unit (NICU) admission within 48hours of birth. Secondary outcomes were neonatal depression, NICU admission within 7days, NICU length of stay, neonatal treatment, and maternal surgical or postpartum adverse events. Results Among women scheduled for elective caesarean section at 38(+3)weeks 88/635 neonates (13.9%) were admitted to the NICU, whereas in the 39(+3)weeks group 76/637 neonates (11.9%) were admitted (relative risk [RR] 0.86, 95% confidence interval [95% CI] 0.65-1.15). Neonatal treatment with continuous oxygen for more than 1day (RR 0.31; 95% CI 0.10-0.94) and maternal bleeding of more than 500ml (RR 0.79; 95% CI 0.63-0.99) were less frequent in the 39weeks group, but these findings were insignificant after adjustment for multiple comparisons. The risk of adverse neonatal or maternal outcomes, or a maternal composite outcome (RR 1.1; 95% CI 0.79-1.53) was similar in the two intervention groups. Conclusions This study found no significant reduction in neonatal admission rate after ECS scheduled at 39weeks compared with 38weeks of gestation.
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