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In many settings, women who choose medication abortion are required to return to the clinic to determine whether the abortion was complete; however, most women would prefer to avoid such visits. Scandinavian researchers conducted a multisite, randomized, noninferiority trial with 924 women to compare in-clinic assessment with self-assessment of successful medication abortion before 63 days' gestation using a new semiquantitative home-based urine pregnancy test (which has two detection thresholds at 5 IU/L and 1000 IU/L of human chorionic gonadotropin) plus phone follow-up 1 to 3 weeks postabortion.
In both per-protocol and intention-to-treat analyses, self-assessment was within a 5-percentage-point noninferiority margin of clinic-based asses…