There are number of assisted reproductive technologies which help an infertile couple to conceive. Some of them are listed below:

1. IVF (In vitro fertilisation) - commonly called test tube baby programme. Fusion of male and female gametes takes place out the organism's body in the laboratory. It has several variations like ET (Embryo transfer), IUT (Intrauterine transfer), ZIFT (Zygote intrafallopian transfer) and GIFT (Gamete intrafallopian transfer)

2. Artificial insemination

3. Intracytoplasmic sperm injection (ICSI)