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Am J Obstet Gynecol. 2003 Sep;189(3):751-4.

The relationship between amniotic fluid index and successful external cephalic version: a 14-year experience.

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1
Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Hôpital Sainte-Justine, Université de Montréal, Montréal, Québec, Canada. boucherhsj@aol.com

Abstract

OBJECTIVE:

This study was undertaken to assess the association between amniotic fluid index (AFI), success of external cephalic version (ECV), and obstetric outcome in patients undergoing ECV.

STUDY DESIGN:

A prospective observational study was performed that included all patients who had a trial of ECV from 1987 to 2000 in our center. Rates of success, fetal heart decelerations during trial at ECV, and cesarean deliveries were calculated. Groups were divided by an AFI performed immediately before ECV: AFI less than 10 cm, 10 to 15 cm, and more than 15 cm.

RESULTS:

In our group of 1361 patients undergoing ECV, the rate of success was related to the AFI in both parous women (49.1%, 63.5% and 72.1% [P<.001] for each AFI group, respectively) and nulliparous women (36.5%, 43.6%, and 57.3% [P<.001]). The rate of cesarean section delivery was related to AFI in nulliparous but not multiparous patients (P<.001). The rate of prolonged fetal heart rate decelerations was not significantly related to the AFI.

CONCLUSION:

The rate of successful ECV and cesarean section deliveries is related to the amniotic fluid volume. This information may be used to consent patient before a trial of ECV.

PMID:
14526307
[Indexed for MEDLINE]
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