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Contraception. 2004 Jan;69(1):51-8.

Midtrimester medical termination of pregnancy: a review of 1002 consecutive cases.

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Department of Obstetrics and Gynecology, University of Aberdeen, Aberdeen Maternity Hospital, Foresterhill, Cornhill Road, Aberdeen AB25 2ZD, UK.


We assessed the effectiveness, safety and factors that affected the outcome of midtrimester medical termination of pregnancy at 13-21 weeks gestation. Of the 1002 women, 3 took mifepristone and decided to continue with the pregnancy, with 999 women being compliant with the regimen. Of these, 2 women aborted prior to administration of misoprostol and 970 (97.1%) aborted successfully within five doses of misoprostol. Surgical intervention was necessary to complete the abortion process in 81 (8.1%) women. Women with no previous pregnancy (p = 0.02), no previous live birth (p = 0.0001) and gestations 17-21 weeks (p = 0.001) required more prostaglandin. Younger women (p = 0.0001) and women with a previous live birth (p = 0.001) were more likely to have a successful abortion. The induction abortion interval was significantly longer with increasing gestation [95% confidence interval (CI) difference in means: -2.52 to -0.89, p = 0.0001], increasing age (p = 0.0001) and no previous live birth (95% CI difference in means: -0.25 to -1.01, p = 0.0001). Surgical intervention was more likely to be required with increasing age (p = 0.008). Mifepristone in combination with misoprostol is a safe and effective regimen for midtrimester medical abortion with younger women and those with a previous live birth more likely to have a successful abortion.

[Indexed for MEDLINE]

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