InVitro Fertilization (IVF) as is evident from the name. In this procedure fertilization of theoocyte is carried out outside the body of the woman in a laboratory under strict culture conditions in specialized carbon dioxide incubators. The ovaries of the woman are stimulated, using hormonal injections, to yield a number of oocytes. These are then mixed with the washed spermatozoa of the husband in order to produce an embryo when these embryos have reached the four to eight cell stage they are re-introduced into the uterus with the help of an ultrasound guided guarded cathedar. Any spare embryos are vitrified for future use if such consent is given by the couple.