Answer :

Final answer:

Barrier methods like diaphragms and cervical caps prevent sperm from reaching the egg to avoid pregnancy.


Explanation:

Diaphragms, cervical caps, and cervical shields are barrier methods that block sperm from entering the cervix to prevent pregnancy. These devices are inserted before intercourse and are often used with spermicide for added protection. Diaphragms have a failure rate of about 12% with typical use.


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