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目的:指导正确筛选药流病例,提高药流成功率。方法:对680例药物流产妊娠物排出后阴道出血时间延长≥15天的73例病例进行分析。结果:药流妊娠物排出后阴道出血时间延长的发生率为10.74%;宫颈管长度≥2cm者药流后阴道出血时间延长的发生率明显增加,与宫颈管长度<2cm者比较有显著差别(P<0.05);后位子宫较前位或平位子宫更易导致药流后阴道出血时间延长,二者比较有显著差异(P<0.05);有过阴道分娩史者较无阴道分娩史者药流后阴道出血时间延长的发生率较低,二者比较有显著差异(P<0.05);73例阴道出血时间延长者,经清宫后病理证实胎物残留达95.89%,胚胎组织的残留仍是阴道出血时间延长的主要原因。结论:严格地筛选药流病例,选择前位或平位子宫、宫颈管长度<2cm、有过阴道分娩史者,可降低药流不全的发生率。
Objective: To guide the correct screening of medical abortion cases and improve the success rate of medical abortion. Methods: A total of 680 cases of pregnancy induced abortion after vaginal bleeding time prolonged ≥ 15 days of 73 cases were analyzed. Results: The rate of prolonged vaginal bleeding after drug abortion was 10.74%. The incidence of vaginal bleeding prolonged after drug flow was significantly increased in patients with cervical canal length> 2cm, which was significantly different from those with cervical canal length <2cm (P < 0.05). The posterior uterus was more likely to lead to vaginal bleeding after drug abortion than the anterior or posterior uterus (P <0.05). There was a significant difference between the two groups in the history of vaginal delivery (P <0.05). In 73 cases with prolonged vaginal bleeding, the residual of fetal tissue was 95.89% confirmed by post-histopathological examination, and the residual of embryo tissue was still prolonged due to vaginal bleeding The main reason. Conclusion: Strict selection of medical abortion cases, select the anterior or flat uterus, cervical canal length <2cm, vaginal delivery history can reduce the incidence of drug-induced incomplete.