Barrier Methods

Barrier methods block sperm from reaching the uterus decreasing the risk of pregnancy. Types of barriers are the diaphragm, the cervical cap, the contraceptive sponge, the male condom, and the female condom. The addition of spermicide helps to prevent pregnancy by killing off the sperm. Barrier methods are the best defense against sexually transmitted infections, with the male condom being the most effective.

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Planned Parenthood