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目的观察早孕药流的影响因素。方法回顾性分析2008年2月～2013年1月我院门诊经米非司酮配伍米索前列醇终止早孕的1200例健康妇女的临床资料，分析其年龄、经期时间、孕产次、既往分娩方式、孕周、子宫位置、孕囊直径等资料，分析早孕药流的成功率及相关因素。结果年龄＜35岁、无剖宫产史、停经＜42d、孕囊直径＜2cm、孕产次数少、子宫前位、经期＜5d，妊娠反应不明显、无内科合并症、文化程度较高者、体重正常者，早孕药流成功率明显增高(P＜0．05)。结论早孕药流的成功率与孕妇年龄、经期时间、孕产次、既往分娩方式、孕周、子宫位置、孕囊直径等因素有相关性。“,”Objective To observe the impact of early pregnancy drug flow factors.Methods Retrospective analysis of our hospital by mifepristone and misoprostol to terminate early pregnancy clinical data of 1200 healthy women from February 2010 to January 2013 , analysis of their age, menstrual time , motherhood , previous mode of delivery weeks of gestation , the uterus , gestational sac diameter data analysis early pregnancy success rate of drug flow and related factors . Results Age<35 years , without a history of cesarean section , menopause<42d, gestational sac diameter<2cm, the fewer maternal anterior uterus, menstrual<5d response is not obvious pregnancy without medical complications, a higher degree of cultural normal weight , early pregnancy medical abortion success rate was significantly higher (P<0.05). Conclusion Early pregnancy success rate of drug flow and maternal age , menstrual time , maternity , previous mode of delivery , gestational age , position of the uterus , gestational sac diameter correlation factors .