The correct option is D Irreversible
Contraception is an intentional prevention of conception/pregnancy which involves use of various contraceptives like condoms, IUDs, pills, etc. An ideal contraceptive is the one which is easily available to users, effective, is reversible, user-friendly and has least or no side-effects. Additionally, it should also not interfere with the sexual drive, desire and/or the sexual act of the user.