患者24岁,G_3P_2,产后一年半妊娠,要求终止妊娠并行绝育术。妇检:子宫底在耻骨联合上4指。活动良好。B超检查:胎儿顶臀径为4cm,提示宫内孕11W~±(子宫增大与实际妊娠不符合),体检及实验室检查均无异常,既往无出血与过敏史。于入站当日行人工流产术,术前探查宫深14cm,宫颈口较紧,扩宫棒勉强扩至7 1/2号,用7号吸管吸刮,负压控制在53.3kPa以内。术时感觉宫腔空、软、出血较多,宫颈注射10U催产素后继续吸刮,术中出血约 Patients 24 years old, G_3P_2, one and a half year postpartum pregnancy, termination of pregnancy required parallel sterilization. Gynecological examination: the end of the uterus in the pubic symphysis 4 fingers. Good activity. B-ultrasound: fetus top hip diameter of 4cm, suggesting intrauterine pregnancy 11W ~ ± (uterine enlargement inconsistent with the actual pregnancy), physical examination and laboratory tests were normal, no previous history of bleeding and allergies. On the day of immigration abortion, the depth of preoperative exploration Palace 14cm, tight cervical spine, expansion rod barely expanded to 7 1/2 number, with a suction pipe suction No. 7, negative pressure control within 53.3kPa. Intrauterine surgery feel empty, soft, bleeding more, cervical injection of 10U oxytocin continue to suck, bleeding within about