Twin pregnancy with a complete hydatidiform mole and a coexisting live fetus rare entity

A hydatidiform mole with a coexisting live fetus is a rare occurrence and the optimal management for this condition is not yet known. we report the case of a 32-year-old woman (gravida 3,para 2) who presented to the sultan qaboos university hospital,muscat,oman,in march 2012 at 13 gestational weeks with abdominal pain and vaginal bleeding. an ultrasound examination revealed a hydatidiform mole pregnancy coexisting with a live fetus. after extensive counselling,the patient and her husband opted for a conservative management approach. unfortunately,a hysterotomy had to be performed at 17 gestational weeks due to severe haemorrhage. the postoperative period was uneventful and histopathology results confirmed one complete mole with a coexisting fetus and normal placenta. the patient’s serum β-human chorionic gonadotropin level remained normal for 18 months following her surgery.