$A$ woman who substitutes or takes the place of the real mother to nurse the embryo is called

In cases where the male partner is unable to inseminate the female or due to very low sperm counts in the ejaculates,this problem can be corrected by which of the following methods?

Discuss various aspects of infertility.

Infertile couples can produce a baby with the help of

$GIFT$ is

In this method,a sperm is directly injected into the ovum in the laboratory.