Figure 1. Donor-Recipient matching process (Dose of rFSH on the basis of age, body mass index, ovarian reserve) LA=leuprolide acetate (Leuprofact, Bayer Zydus, Mumbai, India); TVS=transvaginal scan; ET=endometrial thickness; s.c=subcutaneous; i.m=intramuscular; EV=estradiol valerate; NE=norethisterone acetate; rFSH=recombinant FSH (Gonal F, Merck Serono, UK); rhCG=recombinant hCG (Ovidrell, Merck Serono UK); USG=ultrasonography; Cetrorelix=(Cetrotide, Merck Serono UK ); OCR=oocyte retrieval; ICSI=intracytoplasmic sperm injection.