IRCT20221126056614N1 IRCT 2023-02-22 Mazandaran University of Medical Sciences Effect of human chorionic gonadotropin and embryo glue in infertility Effect of intrauterine infusion of human chorionic gonadotropin and cultural environment of hyaluronan acid (embryo glue) on pregnancy outcomes in women with recurrent implantation failure 2022-12-06 anticipated 158 Complete https://irct.ir/trial/67113 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Patients are divided into two groups with equal size using the random block method of 4 people, which is done by the Randomize Allocate software and using their admission row number, Blinding description: Regarding the method of blinding, after conducting the intervention and following up the outcomes, the data will be sent to the analyst in the form of results in two groups (A and B), in this way, the analyst does not know which patients are in the intervention group and which patients are in the control group, and the study will be single blind. 3 Infertility. Intervention 1: Intervention group: intrauterine infusion of human chorionic gonadotropin and embryo glue. In this group, 20 minutes before embryo transfer, 500 units of HCG (Pharmed Daru) and 15 microliters of embryo culture medium (stage one stop origin) were loaded into the uterus by the embryo transfer catheter guided by abdominal ultrasound. after 20 minutes, the embryos are transferred into the embryo transfer catheter and are transferred into the uterus under the guidance of abdominal ultrasound. Intervention 2: Control group: In the control group, the embryos are transferred into the culture medium without the use of HCG and hyaluronic acid and then transferred into the uterine cavity. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is There is no further information.