Sperm killing substance
12 facts about sperm everyone should know
6 Nov A spermicide condom is a barrier form of birth control worn on the penis during sexual activity. A spermicide condom is coated with a chemical that kills sperm before they enter the uterus. However, no current evidence suggests that spermicide condoms are in fact any more effective.
Description:Print What Is It? Spermicides come in several different forms: Most spermicides contain nonoxynol-9, a chemical that kills sperm. Spermicides can be used alone but are more effective when used with another method of birth control, such as a condom or diaphragm. How Does It Work? Creams, gels, and foams are squirted into the vagina using an applicator.