IRCT201206165485N4 IRCT 2015-09-02 Women's Reproductive Health Research Center, Vice chancellor for research, Tabriz University of Med The effect of intrauterine administration of human chorionic gonadotropin after oocyte pick up on the outcome of intracytoplasmic sperm injection and embryo transfer (ICSI/ET) in infertile couples _ The effect of intrauterine administration of human chorionic gonadotropin after oocyte pick up on the outcome of intracytoplasmic sperm injection and embryo transfer (ICSI/ET) in infertile couples 2014-12-22 anticipated 64 Complete https://irct.ir/trial/5884 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Other design features: random number table. N/A infertility. Intervention 1: Intervention group 1: immediately after oocyte pick up, the patients in the study group will receive intrauterine 500 unit of human chorionic gonadotropin (HSG) with trade mark of Choriomon (IBSA) in up to 0.5 cc of normal saline through cervical canal after passing the internal os, by intrauterine insemination (IUI) catheter and insulin syringe. Then the women will rest for 10 minutes. Intervention 2: Control group: Immediately after oocyte pick up, the patients in the control group will receive 0.5 cc of normal saline through cervical canal after passing the internal os, by intrauterine insemination (IUI) catheter and insulin syringe. Then the women will rest for 10 minutes.