发育不全子宫角是在胎生早期因一侧的米勒氏管的发育障碍而形成的子宫畸型,是指一侧子宫角形成残迹状而言的。其形态并不一样,由一束纤维组织连系于子宫颈,多数与主角缺乏交通,作为子宫其功能极弱,因而发育不全子宫角妊娠的机会是极少的。根据不完全统计20多年来国内报告共有18例。发育不全子宫角妊娠的结果是胎儿死亡或是破裂。无法进行自然分娩。而且术前诊断极为困难,几乎皆在开腹时或在检查切除的标本时才能判断清楚。我院曾治疗1例是 Hypoplasia Uterine horn is a uterine malformation formed by the developmental delay of one side of the Miller’s canal in the early stage of viviparous life, which refers to the remnants of the uterine horn on one side. Its shape is not the same, by a bunch of fibrous tissue connected to the cervix, most of the lack of traffic with the protagonist, as the uterus its function is extremely weak, so the chances of hypoplasia uterine horn pregnancy is minimal. According to incomplete statistics, there are 18 domestic reports in more than 20 years. Fetal hypoplasia results in fetal death or rupture. No natural childbirth. And preoperative diagnosis is extremely difficult, almost all in the laparotomy or examination of specimens removed to judge clearly. 1 case was treated in our hospital