Progestasert, LNG-20
Vaults, LNG-20
Lippes Loop, Multiload375
Multiload375, Progestasert
Correct option is C. Progestasert, LNG-20. Progestasert and LNG-20 are hormone releasing IUDs which make the uterus unsuitable for implantation and the cervix hostile to sperms. So, the correct answer is 'Progestasert, LNG-20'