Diaphragm with Spermicide
FDA Approval Date: Use started before premarket approval was required.
Description: A dome-shaped rubber disk with a flexible rim that covers the cervix so that sperm cannot reach the uterus. A spermicide is applied to the diaphragm before insertion.
Failure Rate (number of pregnancies expected per 100 women per year): 17 (b, d, e)
Some Risks: Irritation and allergic reactions, urinary tract infection. (c) Risk of toxic shock syndrome, a rare but serious infection, when kept in place longer than recommended.
Protection from Sexually Transmitted Diseases (STDs): None
Convenience: Inserted before intercourse and left in place at least six hours after; can be left in place for 24 hours, with additional spermicide for repeated intercourse.
Availability: Prescription
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