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目的:探讨影响药物流产成功的相关因素,以减少或避免药物流产并发症的发生。方法:收集2010年1月~2012年1月间825例药物终止妊娠的早孕健康妇女的年龄、胎囊大小及子宫位置等资料,对相关数据与流产结局的关系进行回顾性分析。结果:年龄≥35岁的孕妇药物流产不全或失败率高于年龄<35岁孕妇(P=0.022);孕囊直径≥20 mm孕妇药物流产不全或失败率高于孕囊直径<20 mm孕妇(P=0.023);后倾后屈位子宫者药物流产不全或失败率高于前倾前屈位以及水平位置子宫(P=0.001,0.007)。结论:孕妇年龄、孕囊直径及子宫位置是影响药物流产成功的因素。
Objective: To explore the factors influencing the success of medical abortion to reduce or avoid the occurrence of complications of medical abortion. Methods: Data on the age, fetal sac size and uterine position of 825 healthy pregnant women from January 2010 to January 2012 were collected. The relationship between the data and abortion outcome was retrospectively analyzed. Results: Maternal medical abortion or failure rate was higher than those of women <35 years of age (P = 0.022). The pregnant women with pregnancy sac diameter ≥20 mm had a higher rate of medical abortion than those with gestational sac <20 mm P = 0.023). The incidence of incomplete medical abortion or failure after posterior levitation flexion was higher than that of anterior flexion and horizontal uteri (P = 0.001,0.007). Conclusion: The age of pregnant women, gestational sac diameter and uterine position are the factors affecting the success of medical abortion.