Donna J. Drucker is senior adviser in English as the Language of Instruction at Technische Universität Darmstadt, Germany. She’s most recently the author of Contraception: A Concise History. This ...
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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