Unruptured term pregnancy with an alive fetus in a noncommunicating rudimentary horn with placenta percreta

Pregnancy in rudimentary horn is a rare type of ectopic pregnancy and generally ruptures in second trimester with life threatening hemorrhage. The accuracy of ultrasonography [USG] in diagnosing rudimentary horn pregnancy at an advance gestation is even more difficult. We report a case of unruptured viable 37 weeks pregnancy in rudimentary horn of uterus. It was repeatedly missed on USG and diagnosed at the time of abdominal delivery done for placenta previa and fibroid uterus. The case is reported because of its extreme rarity