More and more couples are becoming infertile today. As per estimates around 10%-15% of couples in reproductive age group are facing infertility problem. Assisted reproductive technology (ART) is a big hope for these infertile couples. ART has help millions of infertile couples worldwide to have children. Assisted Reproductive Technology refers to treatments and procedures used primarily to address infertility. It includes all fertility treatments which involve manipulation of eggs sperm and embryos outside the body in order to achieve a pregnancy. Sometimes ART involves use of donor eggs (eggs from another woman) donor sperm or previously frozen embryos. Types of