IRCT20180417039338N2 IRCT 2018-06-18 Babol University of Medical Sciences effect of platelet-rich plasma(PRP)on fertility in women Effect of platelet-rich plasma on clinical pregnancy outcome of women with recurrent implantation failure undergoing ART 2017-03-21 anticipated 30 Complete https://irct.ir/trial/31489 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: The randomization method was based on a random number table. By this method, the populations studied were numbered from 1 to N, then a table row and column are randomly selected. The point of intersection of the selected row and column is the start of sampling point. From this point, a cross is drawn. All numbers that appear on this cross will be selected as a sample. 2 Noninflammatory disorder of female genital tract. Intervention 1: Control group: Continue estradiol since day 2 of cycle till end of study. Intervention 2: Intervention group: Infusion of 0.5 cc of platelet rich plasma( PRP)that contained platelet 4-5 times more than peripheral blood with uterine catheter is performed if endometrial thickness below 6 mm on day 10 of cycle and the procedure is repeated 72 hours later if the endometrial thickness below 6mm. No - There is not a plan to make this available Justification or reason for not sharing IPD is .