A diaphragm (say: die-ah-fram) is a shallow cup made of latex or silicone (see picture 1.) It is used for birth control. Your doctor will measure your vagina to find the right size for your diaphragm.
The diaphragm is a shallow rubber cap with a rim made of a fine, flexible spring (Figure 4.1). It fits snugly and comfortably across the upper vagina, covering the entire cervix, thus preventing sperm ...
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