Which of the following is a mechanical barrier used in birth control:

Which of the following is incorrectly matched?

Copper releasing $IUDs$ are used for suppressing the

$A$ : Surgical method of contraception is terminal method to prevent any more pregnancies.
$R$ : Surgical methods of contraception prevent gamete formation.

$A$ : Surgical method also called sterilisation are generally advised for the male/female partner as a terminal method to prevent any more pregnancies.
$R$ : These techniques are highly effective but their reversibility is poor.