Twin pregnancy in the unicornuate uterus and non-communicating rudimentary horn: A case report

Background: A unicornuate uterus is present in 0.1% of the general population.This müllerian anomaly carries significant obstetrical risk including abortion, pretermdelivery, and rudimentary horn ruptures.Case: The patient is a 24-yr-old primigravida with 12-wk gestational age and a twinpregnancy in the unicornuate uterus and non-communicating rudimentary horn. Onefetus in the unicornuate uterus and other in the rudimentary horn that was ruptured.In urgent laparotomy rudimentary horn and fallopian tube excised. Pregnancy in theunicornuate uterus was continued and at 38-wk gestational age, cesarean sectiondue to premature rupture of the membrane was performed and then normal fetus wasdelivered.Conclusion: Twin pregnancy in a unicornuate uterus and rudimentary horn is a rarecondition that carries a considerable risk to the mother. There is a need for increasedawareness of this rare condition to prevent maternal morbidity and mortality.

Keywords:

Twin pregnancy , Uterus , Mullerian ducts