The technique called Gamete Intra Fallopian Transfer $(GIFT)$ is recommended for those females
who cannot produce an ovum
who cannot retain the foetus inside uterus
whose cervical canal is too narrow to allow passage for the sperms
who cannot provide suitable environment for fertilization.
Artificial insemination mean:
Test tube baby is the one
Surrogate mother is
$IVF$ in which the early zygote with up to ...$A$... blastomere is transferred to the Fallopian tube is called $\ldots$....
Briefly explain $\rm {IVF}$ and $\rm {ET}$, What are the conditions in which these methods are advised ?