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BJOG. 2004 Feb;111(2):148-53.

Mifepristone and misoprostol versus dilation and evacuation for midtrimester abortion: a pilot randomised controlled trial.

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  • 1Department of Obstetrics and Gynecology, School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA.

Abstract

OBJECTIVE:

To test the feasibility of mounting a randomised controlled trial comparing mifepristone-misoprostol versus dilation and evacuation (D&E) for midtrimester abortion.

DESIGN:

Pilot randomised controlled trial.

SETTING:

University of North Carolina Hospitals, Chapel Hill, North Carolina.

POPULATION:

Women aged 18 years or older and without prior uterine operations who requested abortion at 14-19 menstrual weeks of gestation from January 2002 to January 2003.

METHODS:

Participants received either mifepristone 200 mg by mouth followed in two days by vaginal then oral misoprostol (Aberdeen regimen) or D&E after one or two days of laminaria preparation. Care was provided by residents under faculty supervision.

MAIN OUTCOME MEASURES:

Enrolment rate and acceptability of and adverse events associated with methods.

RESULTS:

The trial was stopped at one year because of slow enrolment. Of 47 women eligible for the trial, 29 (62%) declined participation, primarily because of a preference for D&E abortion. Among the 18 participants enrolled, nine were randomised to treatment with mifepristone-misoprostol and 9 to D&E. Compared with D&E, mifepristone-misoprostol abortion caused more pain and adverse events, although none was serious.

CONCLUSIONS:

Our findings concerning acceptability and adverse events should be considered hypothesis-generating; they may prove useful in planning a larger randomised controlled trial. Such a trial will be difficult to mount in the US. Hence, we suggest that it be done in a setting where labour-induction abortion is the norm.

PMID:
14723752
[PubMed - indexed for MEDLINE]
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