en <p>Today there are a number of methods of Assisted Reproductive Technology. The classic method of IVF has a pregnancy rate of 11-12%. GIFT is a new method with a pregnancy rate of 25&ndash;35%. In this study 71 patients were included in GIFT cycle. In our study Pregnancy rate of GIFT was 29.6% whereas in 130 cycles of IVF the pregnancy rate was 14.6%. In this study we found that female age, the number of transfered oocytes, serum estradiol on hCG injection day and sperm characteristics were influential factors affecting the outcome of GIFT.</p> لقاح خارج رحمی، GIFT، استرادیول، تخمک، سن GIFT, IVF, Female age, Estradiol, Oocyte 20 27 https://www.jri.ir/article/37 https://www.jri.ir/documents/fullpaper/fa/37.pdf AshrafAlyasinDepartment of Gynecology and Obstetrics ,Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iranاشرفآل ياسين89MarziehAgha HossineiDepartment of Gynecology and Obstetrics ,Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iranمرضيهآقاحسيني88AfsanehKhademiDepartment of Gynecology and Obstetrics ,Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iranافسانه خادمي 101HojjatallahSaeidi SaeidabadyMedical Biochmistry Department, Faculty of Medicine, Tehran Medical Sciences University, Tehran, Iranحجت الله سعيدي سعيد آبادي 100