You insert the diaphragm into your vagina and it covers your cervix, which creates a physical barrier against sperm. Diaphragms are typically 94% effective if you use them perfectly, but in ...

Nonhormonal methods of contraception, such as barrier methods or the copper intrauterine ... Methods like the diaphragm, condoms, spermicidal foams and jellies, and copper IUDs provide reversible ...