Science > Biology > Human Population and Population Control > Barrier Methods of Contraception Barrier methods of contraception act as barriers to keep the man’s sperm from reaching the woman’s ovum (egg). Some barrier methods also protect against sexually transmitted infections (STIs). The common barrier methods are spermicide, condom, fem shield, diaphragm, cervical cap, vault cap, and sponge, etc. […]
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Barrier Methods of Contraception
