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Obstet Gynecol. 2002 Apr;99(4):563-6.

Medical management of missed abortion: a randomized clinical trial.

Author information

1
Department of Obstetrics and Gynecology, University of Calgary, Calgary, Alberta, Canada. stephen.wood@calgaryhealthregion.ca

Erratum in

  • Obstet Gynecol 2002 Jul;100(1):175. Dosage error in published abstract; MEDLINE/PubMed abstract corrected.

Abstract

OBJECTIVE:

To estimate the efficacy of vaginal misoprostol for medical management of missed abortion.

METHODS:

Fifty women with missed abortion were randomized to treatment with up to two 800 microg [DOSAGE ERROR CORRECTED] doses of misoprostol vaginally or a placebo. Participants were reviewed daily for 2 days, then again at 1 week. A blood sample for hemoglobin and serum beta-human chorionic gonadotropin (beta hCG) was obtained on day 1 and the hemoglobin level checked again on day 7. Complete abortion was defined as expulsion of the products of conception without dilation and curettage (D&C) and a negative follow-up urine beta hCG test after 4 weeks, or as no products of conception obtained at D&C in cases of suspected incomplete abortion.

RESULTS:

The rate of complete abortion was 80% (20 of 25) in the misoprostol group and 16% (four of 25) in the placebo group, relative risk 0.20 (0.08, 0.50), P <.001. The rate of D&C was 28% (seven of 25) in the misoprostol group and 84% (21 of 25) in the placebo group, relative risk 0.33 (0.17, 0.64), P <.001. One participant in the misoprostol group had an emergency D&C for heavy bleeding. No participants required blood transfusion. The mean reduction in hemoglobin from day 1 to day 7 was 3.2 g/L in the misoprostol group versus 4.3 g/L in the placebo group, P = .72. Patient satisfaction with misoprostol treatment was high with 19 of 21 participants reporting they would try medical management again if they experienced another missed abortion.

CONCLUSION:

Medical management of missed abortion is effective, reduces the need for D&C, and is associated with high levels of patient satisfaction.

PMID:
12039111
DOI:
10.1016/s0029-7844(01)01765-3
[Indexed for MEDLINE]

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