Arteriovenous malformation in uterine cervix during pregnancy.

As the development of Doppler ultrasonography, many cases of uterine arteriovenous malformation (AVM) have beed diagnosed. But there is no case of cervical AVM in pregnant uterus. We present a 33-year-old pregnant woman who was diagnosed with AVM of the uterine cervix during the midtrimester. Color Doppler sonography and magnetic resonance image were used for diagnosis. We performed Cesarean section because of the risk of massive bleeding from the cervical AVM at 34 weeks' gestation. This is the first case of cervical AVM during pregnancy with a successful outcome and an uneventful postpartum course.