How do contraceptives work?
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How do contraceptives work?
For pregnancy to occur, sperm must swim from the vagina, through the cervix, uterus, and into one of the fallopian tubes to fertilize an egg. Contraceptives prevent this process in three ways: by blocking the sperm, disabling sperm before they reach the uterus, or suppressing ovulation. Condoms are a simple form of barrier contraception that ...
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