残角子宫是先天性发育畸形,是一侧副中肾管发育不全所致。残角往往不与另一侧发育正常的子宫腔相通。多数无子宫腔或有官腔而无子宫内膜,因而无月经。有些残角子宫有宫腔,并有内膜,如内膜有功能,青春期后则会出现宫腔积血。残角子宫亦能妊娠。残角妊娠的卵子可来自同侧卵巢或对侧卵巢,而精子则是经对侧输卵管,再经腹腔游走而 Residual angle uterus is congenital malformations, is caused by the side of the renal insufficiency. Residual horn often do not communicate with the normal uterine cavity on the other side. Most non-uterine cavity or have a bureaucratic and endometrial, and therefore no menstruation. Some remnant uterus uterine cavity, and endometrial, such as the inner membrane, there will be uterine hemorrhage after puberty. Residual horn uterus can also be pregnant. Residual angle pregnancy eggs can come from the ipsilateral ovary or contralateral ovary, and sperm is the contralateral fallopian tubes, and then by the abdominal cavity walk