This is mainly done for blocked tubes, unexplained infertility, PCO, Endometriosis grade 3-4, mild oligospermia in males. Hormonal injections given to woman to induce super ovulation, serial Transvaginal sonographies done to monitor follicles, HCG injections given to induce release of eggs, Ovum pick up done with trans vaginal sonography, eggs are inseminated with processed sperms of her husband. Fertilization of eggs takes place within a day followed by cleavage & then embryos thus formed are replaced into uterus on day 2, 3 or 5 (Blastocyst). Patient is given Luteal phase support with injectable vaginal progesterone pessaries