Contraceptive Diaphragm : Anteriosuperior view of a diaphragm. A diaphragm is a female mechanical contraceptive that blocks the cervix so sperm cannot enter the uterus. It should be used in combination with a spermicidal agent. A diaphragm is only available with a prescription and needs to be fitted by a doctor. When used correctly, it has a failure rate of 17%. It offers minimal protection against STDs.
The diaphragm is a cervical barrier type of birth control. It is a soft latex or silicone dome with a spring molded into the rim. The spring creates a seal against the walls of the vagina.
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