Mode of delivery in a subsequent pregnancy following previous instrumental delivery

Samuel Lurie, Netanel Steinberg, Samer Tannus, Abraham Golan, Oscar Sadan

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: To assess mode of subsequent delivery in women with previous instrumental vaginal delivery. Study design: In this retrospective longitudinal study we followed women who underwent instrumental delivery. The study group included all consecutive parturient women who underwent an instrumental vaginal delivery during a 24-month period (1996 - 1999). We then identified women who had a subsequent delivery in our center until the end of the year 2010. The control group included women who had a spontaneous vaginal delivery from the same time. Results: During the index period we had 349 consecutive successful instrumental vaginal deliveries. Of those, 125 women had a subsequent delivery in our center (35.8 % ). In subsequent pregnancies, the spontaneous vaginal delivery rate was 76.8 % and 90.4 % ; the instrumental delivery rate was 8.8 % and 1.6 % ; and the cesarean rate was 14.4 % and 8.0 % , in the instrumental delivery, and spontaneous vaginal delivery groups, respectively (P = 0.05). The odds ratio for a woman to undergo either an instrumental delivery or a cesarean after having an instrumental delivery in a previous pregnancy was 2.8 (95 % confidence interval 1.4- 5.9, P = 0.05). Conclusion: Women with a previous instrumental delivery are at an increased risk of requiring either an instrumental delivery or a cesarean section in a subsequent pregnancy compared with women with a previous spontaneous vaginal delivery.

Original languageEnglish
Pages (from-to)283-286
Number of pages4
JournalJournal of Perinatal Medicine
Volume41
Issue number3
DOIs
StatePublished - May 2013

Keywords

  • Cesarean section
  • Instrumental delivery
  • Subsequent delivery

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