The Success of Mifepristone and Misoprostol in the Management of Early Pregnancy Loss at a Community Hospital: A Prospective Study.

BACKGROUND

This prospective single-arm study was conducted to understand the expulsion rate of the gestational sac in the management of early pregnancy loss (EPL).

METHODS

We recruited 441 participants; 188 met eligibility criteria. Participants were 18 years of age and older who experienced a confirmed early pregnancy loss (<12 weeks gestational age) defined by an intrauterine pregnancy with a non-viable embryonic or anembryonic gestational sac with no fetal heart activity. Participants were given 200 mg of mifepristone pretreatment orally followed by two doses of misoprostol 800 mcg vaginally after 24 and 48 hours. Participants were seen in follow-up on day 14 to confirm the absence of a gestational sac, classified as treatment success. For failed treatment (defined by retained gestational sac), we offered expectant management or a third dose of misoprostol and/or dilatation and curettage (D & C). We followed all participants for 30 days. We collected data on overtreatment for retained products of conception and hospital admissions for adverse events.

RESULTS

181 participants followed the protocol, and 169 (93.3%) participants had a complete expulsion of the gestational sac by the second visit (day 14). Twelve (6.6%) failed the treatment and one had an adverse event of heavy vaginal bleeding requiring D & C. Despite the expulsion of the gestational sac, 29 cases (17.1%) at subsequent follow-up were diagnosed as retained products of conception based on ultrasound assessment of thickened endometrium.

CONCLUSION

Pretreatment with mifepristone followed by 2 doses of misoprostol with a 14-day follow-up resulted in a high expulsion rate and is a safe management option for EPL.

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