Suggest and explain any three Assisted Reproductive Technologies (ART) to infertile couple.

Explanation

Assisted Reproductive Technologies (ART)
1. Test-tube baby. The programme includes in-vitro fertilisation of egg (IVF) followed by embryo transfer (ET) is one of such method.
(i) Embryo transfer at 8-celled blastomere stage in fallopian tube of female is called zygote intra-fallopian transfer (ZIFT) or
(ii) Embryos with 16, or 32 blastomere stage are transferred into the uterus to complete further development and is termed as intrauterine transfer (IUT).
(iii) Gamete intra-fallopian transfer (GIFT). It includes the transfer of an ovum from donor into the fallopian tube of another female who cannot ovulate due to one or other reason along with men.s sperm.
(iv) Intra-cytoplasmic sperm injection (ICSI). It is a method to form an embryo in the laboratory in which the sperm is directly injected intoovum.