Clinical Edge

Summaries of Must-Read Clinical Literature, Guidelines, and FDA Actions

Fertility Awareness Based Contraceptive Methods

Contraception; ePub 2018 Apr 25; Polis, et al

Consideration of multiple contraceptive method use had modest implications for estimation of fertility-awareness based method (FABM) prevalence among US women; however, multiple method use patterns with FABMs may merit special consideration if FABM use continues to increase. Researchers used data from the 2013-2015 National Survey of Family Growth to examine the extent to which women report use of an FABM method alone or with other methods. They found:

  • 1 in 6 (16.5%) female contraceptors aged 15-44 years reported use of multiple methods.
  • Among those reporting current FABM use, 67% used it alone or with withdrawal, 24% also use condoms or emergency contraception, and 9% also used hormonal contraception or sterilization.
  • An FABM was the most effective method reported for 2.2% of current contraceptive users.
  • There was an estimated FABM prevalence of 3% among US female contraceptors during the study period.


Polis CB, Jones, RK. Multiple contraceptive method use and prevalence of fertility awareness based method use in the United States, 2013-2015. [Published online ahead of print April 25, 2018]. Contraception. doi:10.1016/j.contraception.2018.04.013.

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