孕妇，２３岁。于入院前两天因不规则腹痛在当地卫生院超剂量催产素静脉滴注后腹痛难忍，随即破水，脐带从阴道脱出，胎心、胎动及宫缩全消失，遂急诊转入我院。Ｂ超检查，胎儿呈横位，胎头位于脐上偏左，双顶径８８ｃｍ、胎体横卧于脐上及右上腹，肢体距腹壁表浅，胎儿... Pregnant woman, 23 years old. Two days before admission due to irregular abdominal pain in the local hospitals overdose oxytocin intravenous pain after embolism, then broken water, umbilical cord prolapse from the vagina, fetal heart rate, fetal movement and uterine contraction disappeared, then emergency department transferred to our hospital. B-ultrasound, the fetus was horizontal, fetal head located on the umbilical deviation left, biparietal diameter 8  8cm, lying on the navel and right upper quadrant of the carcass, limbs superficial from the abdominal wall, the fetus ...