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KMID : 0358419960390040659
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Korean Journal of Obstetrics and Gynecology
1996 Volume.39 No. 4 p.659 ~ p.666
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Management of Postterm Pregnancy ; Induction Method and Timing
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김용철
박연이/김종일/황명심/안기범/왕영미/조경훈/박종규
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Abstract
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We studied 2,148 women with uncomplicated pregnancies of 41 or more weeks' gestation and divided to 3 groups. The group I consisted of 1,206 women who were delivered at 287 to 290 days. The group II consisted of 583 women were delivered at 291 to
293
days. The group III consisted of 359 women who were delivered at 42 weeks or later.
The cesarean delivery rate in the group III was significantly higher than the group I and II(24.8% versus 17.9% in the group I and 18.7% in the group II, p<0.005).
The rate of perinatal mortality in the postterm group was significantly higher than the other groups(16.7% versus 1.7% in the group I and 3.4% in the group II, p<0.005).
The induction-failure rate in the favorable cervix group(modified Bishop score>6) was significantly lower than the unfavorable cervix group(8.5% versus 19.9%, p<0.0005).
It can be concluded that induction of labor at 41 weeks 3 days' gestation is associated with an decrease in cesarean delivery rate and perinatal mortality rate.
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