An analysis of second-stage labor beyond 3 hours in nulliparous women.

Abstract:

OBJECTIVE:To analyze outcomes after second-stage labor beyond 3 hours and determine if prolonged second stages were intentional. STUDY DESIGN:Retrospective cohort analysis of maternal and neonatal outcomes in nulliparous women based on second-stage duration. Medical records were reviewed for management decisions in women with second stages ≥4 hours; all other outcomes were accessed via computerized obstetric database. RESULTS:Second stage exceeding 3 hours occurred in 1489 (7%) of 21,991 pregnancies analyzed. Of the 427 (2%) with second stages ≥4 hours, 315 (74%) reached 4 hours unintentionally, after a decision for operative delivery had been made. Only 34 (8%) women were intentionally allowed to continue second-stage labor beyond 4 hours, and half of these ultimately required cesarean. Indices of maternal and neonatal morbidity were significantly increased when second stages exceeded 3 hours. CONCLUSION:Most second stages reaching 4 hours are unintentional, occurring while awaiting an previously decided upon operative delivery. Maternal and neonatal morbidities are significantly increased with second stages beyond 3 hours.

journal_name

Am J Perinatol

authors

Bleich AT,Alexander JM,McIntire DD,Leveno KJ

doi

10.1055/s-0032-1314894

subject

Has Abstract

pub_date

2012-10-01 00:00:00

pages

717-22

issue

9

eissn

0735-1631

issn

1098-8785

journal_volume

29

pub_type

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