残角子宫妊娠是异位妊娠中罕见的一种，术前不易确诊，常在妊娠早中期发生子宫破裂，危及生命。个别发育较好的残角子宫，妊娠可进展到晚期，多伴胎位不正，先露高浮，或胎死宫内稽留而形成过期妊娠的假象，胎儿存活率很低。腹部手术是胎儿娩出及妊娠产物排出的唯一途径。... Rudimentary horn uterine pregnancy is a rare ectopic pregnancy, preoperative diagnosis is not easy, often in the early and middle stages of pregnancy uterine rupture, life-threatening. Respectively better development of residual horn uterus, pregnancy can progress to the late, and more with the fetal position is not correct, the first exposed high float, or the dead embryo to retain the illusion of overdue pregnancy, fetal survival rate is low. Abdominal surgery is the only way of delivery of the fetus and pregnancy products. ...