目的针对临床上药物流产技术所存在的不足,探讨药物流产后肌注缩宫素与阴道流血量、流血时间及转经时限的关系。方法将入选的符合药流指征的孕妇,随机分为对照组和观察组。观察组在孕囊排出后即时(30min内)肌注缩宫素,对照组孕囊排出后观察,两组均认真随访回访,记录流血多少、流血日数、月经回复等情况。结果观察组经过一次简捷的治疗,就可有减少出血量、缩短出血时间、减少并发症等许多效果,三项临床指标均明显优于对照组。结论药流后即时肌注缩宫素,可减少阴道出血量和出血时间,利于月经周期的自然回复,利于及时落实避孕措施,减少复诊次数,减少用药机会,减少休息日数,有一定的社会效益和经济效益。 Objective To investigate the shortcomings of clinical abortion techniques and to explore the relationship between intramuscular oxytocin and vaginal bleeding, bleeding time and menstrual cycle time after medical abortion. Methods The selected pregnant women who met the indication of medical abortion were randomly divided into control group and observation group. Observation group in the gestational sac immediately after discharge (within 30min) intramuscular injection of oxytocin, gestational sac in the control group after discharge were observed, two groups were carefully followed up, record the number of bleeding, bleeding days, menstruation and so on. Results Observation group after a simple treatment, can reduce the amount of bleeding, shorten the bleeding time, reduce complications and many other effects, three clinical indicators were significantly better than the control group. Conclusions Immediate intramuscular injection of oxytocin can reduce the amount of vaginal bleeding and bleeding time, which will benefit the natural recovery of the menstrual cycle, which will benefit the timely implementation of contraception, reduce the number of referrals, reduce the chances of medication, reduce the number of days to rest, and have certain social benefits Economic benefits.