Action of vaginal diaphragm is
Prevent the ova to come in the uterus
Prevent the sperm to come in contact with ova
Spermicidal
Anti-implantational
Example of copper releasing $IUD$ is
Tubectomy is a method of sterilization in which
Copper releasing $IUDs$ are used for suppressing the
$A$ : Saheli - the new oral contraceptive for the female contains a non-steroidal preparation.
$R$ : It is 'once a week' pill with very few side effects and high contraceptive value.
$A$ : Castration cannot be considered as a contraception option.
$R$ : It should in no way interfere with the sexual drive, desire and/or the sexual act of the user