Influence of mode of delivery on neonatal mortality and morbidity in spontaneous preterm breech delivery.

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Objective: To study the association between mode of delivery and neonatal outcome in singleton pregnancy with breech presentation and preterm birth, due to premature tabour (PTL) and/or preterm premature rupture of the membranes (pPROM). Design and methods: Information on preterm (gestational week 25-36) singleton births in breech presentation in Sweden during 1990-2002 was obtained from the Swedish Medical Birth Registry and the Swedish Hospital Discharge Registry. The study groups included 1975 caesarean and 699 vaginal deliveries with a diagnosis of PTL or pPROM, without pregnancy complications implying a high risk of fetal compromise. The rates of infant respiratory distress syndrome (IRDS), intraventricular haemorrhage (IVH), low Apgar scores, and neonatal deaths were compared between infants delivered vaginally and by caesarean section. Odds ratios were calculated with adjustment for gestational age, year of birth, maternal age and parity. Results: The risk of neonatal death and the risk of an Apgar score below 5 min postnatally were both lower after caesarean delivery (OR 0.4; 95% CI 0.2-0.7, and OR 0.4; 95% CI 0.3-0.7, respectively), whereas the risk of IRDS was increased (OR 2.1; 95% CI 1.4-3.2). A diagnosis of IRDS was not associated with mortality (OR 0.8; 95% CI 0.5-1.5). IVH was not associated with mode of delivery (OR 1.2; 95% CI 0.5-2.8). Conclusion: The lower neonatal mortality after CS supports a policy of caesarean delivery of the preterm breech. (C) 2006 Elsevier Ireland Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)25-29
JournalEuropean Journal of Obstetrics, Gynecology, and Reproductive Biology
Issue number1
Publication statusPublished - 2007

Subject classification (UKÄ)

  • Obstetrics, Gynecology and Reproductive Medicine


  • preterm birth
  • morbidity
  • breech
  • mode of delivery
  • mortality
  • neonatal


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