目的探讨免煎当母黄艾中药冲剂用于治疗药物流产后阴道出血的临床效果。方法停经天数≤49d(B超提示妊娠囊直径≤2cm)选择药物流产排出孕囊的病例528例为研究1组,49d<停经天数≤75d(B超提示妊娠囊直径>2cm)选择药物流产排出孕囊的病例200例为研究2组,2组在妊娠囊排出后给予服用免煎当母黄艾中药冲剂3～7剂,每日1剂,分早晚2次沸水冲服。收集2组临床疗效及随访结果 ,与文献报道的结果进行比较。结果研究1组、研究2组阴道平均出血时间分别为(6.67±3.55)d、(7.75±3.58)d,显著短于文献报道的单用西药的平均16d;2组的完全流产率分别为96.25%、94.50%,显著高于文献报道的单用西药的90%。结论免煎当母黄艾中药方剂能缩短药物流产后阴道出血时间,提高药物流产的完全流产率,对49d<停经天数≤75d选择药物流产的亦有较好的效果,值得临床应用推广。 Objective To investigate the clinical effect of free decoction when mother Huang Yi Chinese medicine granules for the treatment of vaginal bleeding after medical abortion. Methods The number of menopause days ≤ 49d (B ultrasound prompt gestational sac diameter ≤ 2cm) choose medical abortion cases of gestational sac discharged 528 cases for the study 1, 49d 2cm) choose medical abortion 200 cases of gestational sac for the study of two groups, two groups were given after discharge in gestational sac to avoid decoction of mother Huang Ai Chinese medicine granules 3 to 7, 1 day, sub-morning and evening 2 times boiling water. Two groups of clinical efficacy and follow-up results were collected and compared with those reported in the literature. Results In study group 1, the mean vaginal bleeding time was (6.67 ± 3.55) days and (7.75 ± 3.58) days in study group 2, respectively, which was significantly shorter than the average of 16 days in western medicine alone. The complete abortion rates in the two groups were 96.25 %, 94.50%, significantly higher than the reported 90% of Western medicine alone. Conclusion Free decoction when mother Huang Yi Chinese medicine prescription can shorten the time of vaginal bleeding after medical abortion and improve the full abortion rate of medical abortion, and also have a good effect on 49d