What is the full form of $CDRI$?

In lactational amenorrhoea,there is no ovulation or menstruation during the period of intense lactation following parturition,due to high levels of prolactin,which:

$A$ contraceptive pill contains:

The purpose of tubectomy is to prevent:

Copper releasing $IUDs$ are used for suppressing the

In vasectomy,a small incision is made on the ....... and it is tied.