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Sponge versus diaphragm for contraception (Cochrane Review) ABSTRACT Background: The contraceptive vaginal sponge was developed as an alternative to the contraceptive diaphragm. The sponge, made of polyurethane impregnated with nonoxynol-9 (1g), releases 125 mg of the spermicide over 24 hours of use. Unlike the diaphragm, the spo . . . |
Full article: The full article is available on Wiley InterScience at http://www.thecochranelibrary.com |