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Stories about: spermicide

Two New Very Effective Sperm Killers Spermicides are chemicals that kill sperm cells, and are used as a contraceptive method. They are inserted vaginally prior to intercourse, but employed alone, this method has a low efficiency (18 % annual failure). They are usually combined with other contraceptive methods like diaphragms, condoms or cervical caps. N... 5 March 2007 08:55 GMT