Injections
PROLIFERATIVE
All patients in Groups 2 (n = 42) and 3 (n = 38) received injections of autologous PRP on day 6–8 of menstrual cycle (proliferative phase). Group 4 (n = 5) received injections of autologous PRP mixed with autologous minimally manipulated endometrial cells isolated from aspiration biopsy specimens on the day of intervention. Full protocol is available in Supplementary Information.