To evaluate the efficacy and side effects of medical abortion with Mifepristone and Misoprostol, 154 cases medical abortion within ≤ 49 days of amenorrhea used regimen included Mifepristone 200mg orally on day one, followed by 400mcg Misoprostol hold undertongue one time on 36 - 48 hours after Mifepristone ingestion.