Lippe's loop is a type of contraceptive used as:

Which of the following is included in non-medicated $IUDs$?

$A$: Saheli - the new oral contraceptive for the female contains a non-steroidal preparation.
$R$: It is a 'once a week' pill with very few side effects and high contraceptive value.

Lactational amenorrhea is . . . . . . .

Which of the following is a non-steroidal oral contraceptive pill taken once a week?

$Cu$ ions released from copper-releasing intrauterine devices $(IUDs)$: