The correct option is D Progestasert, LNG-20
Intrauterine devices (IUDs) are inserted by medical experts in the uterus through vagina.
Progestasert and LNG-20 are hormone releasing IUDs. They make the uterus unsuitable for implantation and the cervix hostile to the sperms.
Multiload 375 is a copper releasing IUD. It releases copper ions and help in contraception by decreasing sperm motility.
Lippes loop is a double S shaped inert flexible plastic loop and does not contain any hormone. It is a non-medicated IUD.
Vaults are contraceptives used by women to cover the cervix during coitus. They block the entry of the sperms and thus prevent conception.