Infertile couples can produce a baby with the help of

$IVF$ involves the fertilisation $A$ the body followed by $B$.

$A$ childless couple can be assisted to have a child through a technique called $GIFT$. The full form of this technique is

The zygote or early embryo with $8$ blastomeres could be transferred into $.........$ ?

$A$: Inability to conceive or produce children even after $2$ years of unprotected sexual cohabitation is called infertility.
$R$: Infertility is a synonym for sterility.

$GIFT$ is