DOI: 10.36347/sjmcr.2015.v03i06.027

Pages: 537-539

Unicornuate uterus with rudimentary horn occurs due to failure of complete development of one of the Mullerian ducts and incomplete fusion with the contralateral side. Pregnancy in a non-communicating rudimentary horn is extremely rare and usually terminates in rupture during first or second trimester of pregnancy. Diagnosis of rudimentary horn pregnancy and its rupture in a woman with prior vaginal delivery is difficult. It can be missed in routine ultrasound scan and in majority of cases it is detected after rupture. It requires a high index of suspicion. We report a case of G3P2L2 with ruptured left rudimentary horn pregnancy at 18 weeks of gestation which was misdiagnosed as abdominal pregnancy with fetal demise by ultrasound. The patient was referred to our hospital as a case of abdominal pregnancy with fetal demise. Laparotomy revealed rupture of left rudimentary horn with massive hemoperitoneum. Timely laparotomy, excision of the horn, and blood transfusion saved the patient.