The correct option is C Lippes loop
The Lippes loop is a first generation intrauterine device (IUD), which has long durability and is not required to be replaced frequently. One can last from 3-5 years, once inserted.
The diaphragm, cervical cap and vaults are the barriers that are made of rubber. The soft rubber caps are inserted into the female reproductive tract to cover the cervix during sexual intercourse. They block the entry of male semen into the womb and hence no fertilisation, pregnancy or childbirth, which is generally inserted and removed after a short period.