Tehran University of Medical Sciences Journal of Family and Reproductive Health 1735-8949 1 2 2007 06 15 96 98 Sedigheh Borna Department of Perinatology, Medical Sciences/University of Tehran, Tehran, Iran Safoura Shakoie Nejad Department of Perinatology, Medical Sciences/University of Tehran, Tehran, Iran Nooshin Sahabi Department of Perinatology, Medical Sciences/University of Tehran, Tehran, Iran 2015 10 04 Heterotopic pregnancy is a rare event in natural conception cycles. The prevalence of heterotopic pregnancy is known to be increasing in part due to more precise diagnostic techniques and widespread use of of assisted reproductive technology. A case of an incidental heterotopic pregnancy diagnosed at 10 weeks of gestational age is reported here in which laparotomy was scheduled and right salpingectomy was performed immediately after diagnosis. The intra uterine pregnancy proceeded without any problem until term and a healthy male infant weighing 3680 grams was born. As this case demonstrates, early diagnosis is the key of successful treatment. Early detection and appropriate intervention in order to save the intra uterine pregnancy and the prevention of associated maternal morbidity and mortality are emphasized. https://jfrh.tums.ac.ir/index.php/jfrh/article/view/20 https://jfrh.tums.ac.ir/index.php/jfrh/article/download/20/20