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Knowledge of contraceptive effectiveness.

David L Eisenberg1, Gina M Secura, Tessa E Madden

  • 1Division of Clinical Research, Department of Obstetrics and Gynecology, Washington University in St. Louis School of Medicine, St. Louis, MO 63110, USA. eisenbergd@wustl.edu

American Journal of Obstetrics and Gynecology
|April 24, 2012
PubMed
Summary
This summary is machine-generated.

Many women overestimate contraceptive effectiveness, particularly for pills and condoms. Accurate knowledge was higher for long-acting reversible contraceptives like IUDs and implants.

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Area of Science:

  • Reproductive Health
  • Contraception Research
  • Public Health Education

Background:

  • Understanding contraceptive effectiveness is crucial for informed decision-making.
  • Previous research indicates potential gaps in women's knowledge regarding various birth control methods.

Purpose of the Study:

  • To assess women's knowledge of contraceptive effectiveness before receiving counseling.
  • To identify specific methods whose effectiveness is frequently overestimated.

Main Methods:

  • Cross-sectional analysis of a questionnaire completed by 4144 women.
  • Participants estimated annual pregnancy risk for different contraceptive methods.
  • Data collected prior to comprehensive contraceptive counseling.

Main Results:

  • 86% correctly identified the high pregnancy risk (>10%) with no contraception.
  • Over 45% overestimated the effectiveness of depo-medroxyprogesterone acetate, pills, patch, ring, and condoms.
  • Women choosing intrauterine devices (IUDs) or implants demonstrated more accurate effectiveness knowledge compared to pill, patch, or ring users.

Conclusions:

  • Significant knowledge gaps exist regarding contraceptive effectiveness.
  • Women frequently overestimate the efficacy of short-acting and barrier methods.
  • Long-acting reversible contraceptives are associated with more accurate perceived effectiveness.