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  • Title: Outcomes of external cephalic version and breech presentation at term, an audit of deliveries at a Sydney tertiary obstetric hospital, 1997-2004.
    Author: Nassar N, Roberts CL, Cameron CA, Peat B.
    Journal: Acta Obstet Gynecol Scand; 2006; 85(10):1231-8. PubMed ID: 17068683.
    Abstract:
    BACKGROUND: Probabilistic information on outcomes of breech presentation is important for clinical decision-making. We aim to quantify adverse maternal and fetal outcomes of breech presentation at term. METHODS: We conducted an audit of 1,070 women with a term, singleton breech presentation who were classified as eligible or ineligible for external cephalic version or diagnosed in labor at a tertiary obstetric hospital in Australia, 1997-2004. Maternal, delivery and perinatal outcomes were assessed and frequency of events quantified. RESULTS: Five hundred and sixty (52%) women were eligible and 170 (16%) were ineligible for external cephalic version, 211 (20%) women were diagnosed in labor and 134 (12%) were unclassifiable. Seventy-one percent of eligible women had an external cephalic version, with a 39% success rate. Adverse outcomes of breech presentation at term were rare: immediate delivery for prelabor rupture of membranes (1.3%), nuchal cord (9.3%), cord prolapse (0.4%), and fetal death (0.3%); and did not differ by clinical classification. Women who had an external cephalic version had a reduced risk of onset-of-labor within 24 h (RR 0.25; 95%CI 0.08, 0.82) compared with women eligible for but who did not have an external cephalic version. Women diagnosed with breech in labor had the highest rates of emergency cesarean section (64%), cord prolapse (1.4%) and poorest infant outcomes. CONCLUSIONS: Adverse maternal and fetal outcomes of breech presentation at term are rare and there was no increased risk of complications after external cephalic version. Findings provide important data to quantify the frequency of adverse outcomes that will help facilitate informed decision-making and ensure optimal management of breech presentation.
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