摘要：目的 探讨人工流产术前阴道放置米索前列醇对宫颈扩张的临床效果。方法 选择来我站自愿要求行人工流产终止妊娠的健康妇女76例，随机分为观察组和对照组，每组各38例，对照组行常规无痛人工流产术，观察组在术前2 h将米索前列醇200 ug放置于阴道后穹窿处，手术方式同对照组。结果 观察组各项指标均优于对照组，两组间比较差异有统计学意义(P<0.05)。结论 人工流产术前阴道放置米索前列醇可有效扩张和软化宫颈，明显缩短手术时间，减少出血量增加手术安全性，值得进一步推广应用。

    关键词：米索前列醇；人工流产术；宫颈扩张

    Abstract：Objective To explore the preoperative vaginal abortion placed the clinical effect of misoprostol for cervical dilation.Methods Choose to I voluntary termination request line abortion healthy women and 76 cases were randomly divided into observation group and control group，each group of 38 cases，control group routine painless induced abortion operation ......