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采用２００ｍｇ米非司酮一次顿服，２４ｈ后每隔３ｈ服用米索前列醇０．２ｍｇ的方法，对７０例１４～３３周妊娠进行了引产临床观察（Ａ组），并以６５例常规利凡诺引产作为对照组（Ｂ组）。结果：Ａ组引产成功６３例，失败７例，成功率为９０．００％，Ｂ组引产成功６２例，失败３例，成功率为９５．３８％。４８ｈ内Ａ组有９６．８３％孕妇引产成功，Ｂ组仅５９．６８％（Ｐ＜０．０１）；平均引产时间Ａ组显著短于Ｂ组，分别为３７．１９±７．１０ｈ与４５．１９±１３．５９ｈ（Ｐ＜０，０１）；Ａ组中经产妇或≤１６孕周的孕妇引产时间显著短于初产妇或＞１６孕周者（Ｐ均＜０．０１），而Ｂ组引产时间在产次、孕周方面差异无显著性。米非司酮配伍米索前列醇的服药方案用于中、晚孕引产效果与利凡诺相似，且具有引产时间短，服药方便、安全等优点，为≤１６孕周的引产提供了良好的安全引产方法。
A dose of 200mg mifepristone once daily service, 24h every 3h after taking misoprostol 0.2mg, 70 cases of 14 to 33 weeks of pregnancy induced abortion clinical observation (A group), and 65 cases of conventional benefit Fanno induced labor as a control group (B group). Results: A group of 63 cases of successful induction of labor, failure in 7 cases, the success rate was 90.00%, B group 62 cases of successful induction of labor, failed in 3 cases, the success rate was 95.38%. In 48h, 96.83% pregnant women in group A were successful in labor induction and 59.68% in group B (P <0.01). The average induction time in group A was significantly shorter than that in group B (37.19 ± 7.10h and 45 .19 ± 13.59h (P <0,01). The pregnant women in group A or those with gestational age≤16 were significantly shorter than those in primipara or 16 weeks (all P <0.01) Group of induction of labor in the delivery time, gestational age differences were not significant. Mifepristone with misoprostol in the medication program for the induction of labor in late pregnancy and rivanol similar effects, and with a short induction of labor, medication convenient, safe, etc., for the induction of labor ≤ 16 gestational weeks to provide a good Safe labor induction method.