1病例报告l．if＄床资料患者，女，27岁，由H辰8月余，阴道流血2h入院。行双胎剖宫产术，术中取出一正常男婴。另一婴儿呼吸微弱，活动力差，脐带细，双下肢融合成鱼尾状，九趾，无外生殖器及肛门。产后10min死亡。两婴共单胎盘，双羊膜囊，畸形胎儿羊膜上见粟粒样结节。... 1 case report l. if $ Bed data Patient, female, 27 years old, from H Chen August, vaginal bleeding 2h admission. Twins cesarean section, surgery, remove a normal baby boy. Another infantile breathing weak, poor activity, umbilical cord thin, lower limbs fused into a fish tail, nine toes, no genitalia and anus. Postpartum 10min died. Two infants single placenta, double amniotic sac, abnormal fetal amniotic see miliary nodules. ...