IVF treatment is In Vitro Fertilization procedure. Here, the eggs and sperms of the female and male partner are taken and combined in the IVF lab for the formation of embryo. The embryo formation takes place in the infertility clinic or hospital. The embryo thus formed is freshly transferred into the uterus of the woman. If sperm and egg freezing are performed, then the frozen embryo is transferred into the uterus.