en 25717436 <p>Background: Bilateral ectopic pregnancy is a rare condition and is divided in two subgroups, primary and secondary, based on history of assisted reproductive technology.<br /> 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 D8C was done in referral and admission to gyneco-oncology 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.<br /> Conclusion: 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.</p> Ectopic pregnancy, Reproduction Techniques, Rupture 49 53 https://www.jri.ir/article/612 https://www.jri.ir/documents/fullpaper/en/612.pdf MalihehArabPreventative Gynecology Research Center (PGRC), Imam Hossein Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Irandrmarab@yahoo.com1363Seyyedeh NedaKazemiPreventative Gynecology Research Center (PGRC), Imam Hossein Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran1367ZahraVahedpoorfardKashan University of Medical Sciences, Kashan, Iran1368AdelehAshooriPreventative Gynecology Research Center (PGRC), Imam Hossein Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran1369