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 ...
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 ...