Introduction/Background Uterine arteriovenous malformation (AVM) one of the complications of cesarean section and uterine curettage which is life-threatening.

The aim of this case report was to assess medical treatment of a symptomatic case of AVM as uncommon cause of vaginal bleeding.

Methodology A 24-year-old female with an episode of heavy vaginal bleeding after curettage of pregnancy first trimester was referred to Ghaem Hospital of Mashhad University of Medical Sciences in 2014. She had a history of elective caesarian section in first pregnancy. Based on clinical findings and color Doppler ultrasonography, uterine AVM was diagnosed and modality conservative medical management was arranged.

Results She was successfully treated with GnRH analogs and she had regular and normal menstrual cycles in her 1 year serial follow-up. Now, she has spent three months of pregnancy after 15 months of her disease.

Conclusion Diagnosis of uterine AVM should be considered in the case of massive uterine vaginal bleeding and a history of prior uterus surgery. The gonadotropin-releasing hormone agonist is useful in this situations.

Disclosure Nothing to disclose.