Made from: Silicone
A reusable silicone dome-shaped cup that covers the cervix to keep sperm out. A provider does the initial fitting and gives a prescription for the right size. You put it in yourself at home each time you have sex. It's best to always use spermicide with a diaphragm. Read more.
The diaphragm does not protect against HIV or STIs. Always use a condom.
Effectiveness based upon typical use.
Are there any side effects?
Side effect may include vaginal irritation. Nonoxynol-9 (the most common spermicide) may increase the risk of HIV and other STDs.