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Diaphragm |
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Diaphragms used with a contraceptive jelly are inserted through the vagina and placed over the cervix before sexual intercourse to provide a physical barrier to sperm.
(From KS Saladin, Anatomy and Physiology, 1998, WCB McGraw-Hill, p. 1020; with permission. © The McGraw-Hill Companies, Inc./Bob Coyle, photographer)