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Pilot study on the use of sublingual misoprostol for medical abortion
1Department of Obstetrics and Gynaecology, The University of Hong Kong, Queen Mary Hospital, Hong Kong SAR, People's Republic of China. ostang@graduate.hku.hk
Abstract:
A new route of sublingual administration of misoprostol was used by 25 women with first trimester, non-viable intrauterine gestation and by 18 women requesting mid-trimester termination of pregnancy. Twenty-three women (92%, 95% CI 75, 98) with first trimester, non-viable gestation had complete abortion after sublingual misoprostol. All women (100%, 95% CI 82, 100) requesting second trimester abortion aborted, and the median induction-to-abortion interval was 11.6 h. Our preliminary results on sublingual misoprostol show that it is a promising method for medical abortion. Prospective randomized studies are required to compare its efficacy and side effects with vaginal misoprostol and to work out the dosage and dosing interval.