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Obstet Gynecol. 2012 Nov;120(5):1053-9. doi: http://10.1097/AOG.0b013e3182632cd6.

Continuation of the etonogestrel implant in women undergoing immediate postabortion placement.

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  • 1Division of Clinical Research, Department of Obstetrics and Gynecology, Washington University in St. Louis School of Medicine, St. Louis, Missouri 63110, USA. maddent@wustl.edu



To estimate whether women who receive an immediate postabortion etonogestrel subdermal implant have higher discontinuation rates than women who undergo an interval insertion (insertion not associated with a recent pregnancy).


This was a secondary analysis of the Contraceptive CHOICE Project. We compared 12-month continuation rates for the subdermal implant between women undergoing immediate postabortion placement and women who underwent an interval placement. Continuation rates were compared using Kaplan-Meier estimator of survival function and Cox proportional hazard models.


Over the study period, 141 women received the implant immediately postabortion and 935 women underwent an interval placement. The 12-month continuation rates were similar: 81.5% among women undergoing immediate postabortion placement and 82.8% among women undergoing interval placement (P=.54). In the survival analysis, women who received an immediate postabortion implant were no more likely to discontinue their method than women who had an interval placement (adjusted hazard ratio 1.04, 95% confidence interval 0.68-1.60). The most common reason given for discontinuation was frequent or irregular bleeding, which was reported by 65.4% of women discontinuing in the immediate postabortion group and 56.7% in the interval group.


Women who undergo immediate postabortion placement of the subdermal implant have high rates of continuation that are equivalent to women undergoing interval insertion. Immediate postabortion long-acting reversible contraceptives should be available to women undergoing induced abortion to decrease the risk of repeat unplanned pregnancy.



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