RESUMEN
Bilateral ectopic pregnancy is a rare condition and is divided in two subgroups, primary and secondary, based on history of assisted reproductive technology. Case Presentation: A 30 year old primigravid woman with history of infertility and ovulation induction presented to a hospital in Kashan in year 2013. She had vaginal bleeding, abdominal pain and ultrasound findings suggested early pregnancy. Due to high titer of beta -HCG, gestational trophoblastic disease was proposed and DandC was done in referral and admission to gynecooncology ward in Tehran. Repeat sonography suggested ectopic pregnancy in left side and repeat beta -HCG level showed an increase of 19435 mIU/ml. Laparotomy findings revealed bilateral ampullary ectopic pregnancy. Bilateral salpingostomy followed by one course of methotrexate was prescribed. Bilateral ectopic gestation should be considered as a rare differential diagnosis for ectopic pregnancy. In this study, bigger size and rupture in left side was observed