Most of the contraceptive pills contain

Injections and implants (the progesterone or progesterone oestrogen combination) are used by the females under the

Amongst the following methods of contraception, which can be regarded as the most cost effective and easily reversible method of contraception?

$A$ : Surgical method blocks gamete transport and thereby prevents conception.
$R$ : Surgical method used in the male for this purpose is called vasectomy.

Progestasert and $LNG-20$ are

The method of sterilisation is