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Contraceptive Effectiveness

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Abstract

Contraceptive efficacy describes how well a contraceptive method works with perfect use. Alternatively, contraceptive effectiveness describes how well a method works with typical use. Knowledge of both contraceptive efficacy and effectiveness is important in contraceptive counseling. This chapter reviews the methods with which contraceptive efficacy and effectiveness are determined. Additionally, the best estimates of contraceptive efficacy and effectiveness for each contraceptive method are presented. Finally, this chapter offers general guidelines for contraceptive counseling.

Keywords

  • Efficacy
  • Effectiveness
  • Failure rate
  • Pearl index
  • Contraceptive counseling

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Fig. 1.1

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Correspondence to Crystal Goldsmith MD .

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Goldsmith, C. (2016). Contraceptive Effectiveness. In: Shoupe, D., Mishell, Jr., D. (eds) The Handbook of Contraception. Current Clinical Practice. Humana Press, Cham. https://doi.org/10.1007/978-3-319-20185-6_1

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  • DOI: https://doi.org/10.1007/978-3-319-20185-6_1

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