Birth Control Spermicides (cont.)
Medical Author:
Omnia M Samra, MD
Medical Editor:
Suzanne R Trupin, MD
Medical Editor:
Francisco Talavera, PharmD, PhD
Medical Editor:
Lee P Shulman, MD
IN THIS ARTICLEHow Spermicides WorkSpermicides contain a chemical that kills sperm or makes them inactive so they cannot enter a woman’s cervix. Nonoxynol-9 is the active chemical in most spermicide products in the United States. The concentration of the chemical depends on the product. |
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