A diaphragm is a reusable rubber or silicone cup that covers the cervix. The diaphragm is inserted into the vagina with spermicide before sex to prevent pregnancy.
Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press.
Your gift can go twice as far to advance cancer research and care!