How does a diaphragm work?

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A diaphragm is a type of birth control known as barrier contraception. The name is fitting, since a diaphragm forms a barrier that prevents a man's sperm from fertilizing a woman's egg and causing pregnancy. The diaphragm is used with spermicide, which destroys sperm. (Spermicide is sold as a cream, jelly and in other forms.)

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Diaphragms

Diaphragms

A diaphragm is a dome-shaped form of birth control (barrier contraception) that is inserted into the vagina. When used with spermicide, diaphragms are 84% to 94% effective at preventing pregnancy when they are used every time you ...

have intercourse. Diaphragms do not protect against sexually transmitted diseases, so you should also use condoms to help prevent STDs.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.