目前常在人工流产手术前应用米索前列醇来降低手术难度,规避手术风险,减少疼痛,缩短手术时间。但应用中给药途径的选择不统一,不同的给药途径对子宫收缩、扩张宫颈效果在时效和剂量上差别较大。资料与方法1·一般资料选择2008年5月~2009年5月本所早孕自愿要求终止妊娠的妇女150 At present, misoprostol is often used before artificial abortion to reduce the difficulty of surgery, to avoid the risk of surgery, reduce pain and shorten the operation time. However, the application of the route of administration of choice is not uniform, different ways of administration of uterine contractions, expansion of cervical effect in the aging and dosage differences. Materials and Methods 1 · General Information Select May 2008 ~ May 2009 this morning pregnancy voluntary termination of pregnancy women 150