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Am Fam Physician. 2005 May 15;71(10):1935-41.

Management of pregnancy beyond 40 weeks' gestation.

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1
CHRISTUS St. Joseph Hospital Family Practice Residency, Houston, Texas 77002, USA. donald.briscoe@christushealth.org

Abstract

A post-term or prolonged pregnancy is one that reaches 42 weeks' gestation; approximately 5 to 10 percent of pregnancies are post-term. Studies have shown a reduction in the number of pregnancies considered post-term when early ultrasound dating is performed. Maternal and fetal risks increase with gestational age, but the management of otherwise low-risk prolonged pregnancies is controversial. Antenatal surveillance with fetal kick counts, nonstress testing, amniotic fluid index measurement, and biophysical profiles is used, although no data show that monitoring improves outcomes. Studies show a reduction in the rate of cesarean deliveries and possibly in neonatal mortality with a policy of routine labor induction at 41 weeks' gestation.

PMID:
15926409
[Indexed for MEDLINE]
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