A diaphragm is a silicone device shaped like a shallow cup that you insert into your vagina to prevent pregnancy.

Dear Alice, How effective is the diaphragm? I was on the pill, but it made me ill and depressed. However, I miss the spontaneity and reliability of it. What about the cervical cap? –Just Say … ...

A Virginia-based women's health company hopes to reinvigorate interest in an old form of birth control with Caya, the first one-size-fits-most diaphragm. Caya is the first contraceptive diaphragm ...

Could a new, very purple diaphragm make an old birth-control option relevant again?