What is the efficacy of a diaphragm for contraception?

Updated: Oct 06, 2020
  • Author: Frances E Casey, MD, MPH; Chief Editor: Richard Scott Lucidi, MD, FACOG  more...
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Effectiveness of the diaphragm depends on the age of the user, experience with its use, continuity of use, and the use of spermicide. The typical-use failure rate within the first year is estimated to be 20%.

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