患者，29岁，孕4产3+1，末次月经1999年4月17日，因停经36＋5周，反复引产失败，腹痛，于2000年1月1日入院。入院前8天因“B”超提示胎儿脑积水伴脊柱裂、臀位，在当地医院行羊膜腔内利凡诺引产。2天后因无它编予口服米索前列醇600ug，服药后半小时开始富缩并逐渐加重，疼痛难 Patients, 29 years old, 4 pregnant with 3 + 1, the last menstrual April 17, 1999, due to menopause 36 +5 weeks, repeated induction of labor failure, abdominal pain, on January 1, 2000 admission. Eight days before admission due to “B” super fetal hydrocephalus associated with spina bifida, breech, in the local hospital line amniotic rivanol abortion. 2 days after no oral compilation of misoprostol 600ug, half an hour after taking the medicine started to shrink and gradually increased, the pain is difficult