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Birth Control Methods01:22

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Vasectomy is a surgical form of male sterilization that involves severing and sealing the vasa deferentia, preventing sperm from mixing with semen during ejaculation. Because a vasectomy does not impact the testes' ability to produce testosterone, hormone levels, libido, and sexual function generally remain unchanged. While vasectomy is highly effective in preventing pregnancy, with a success rate near 99.85%, rare cases of recanalization (spontaneous reconnection) can occur. Although vasectomy...
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Treatment Model for Young Patients with Psychogenic Erectile Dysfunction and Resultant Infertility
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Published on: May 30, 2025

Theory-based interventions for contraception.

Laureen M Lopez1, Elizabeth E Tolley, David A Grimes

  • 1Clinical Sciences, FHI, P.O. Box 13950, Research Triangle Park, North Carolina, USA, 27709.

The Cochrane Database of Systematic Reviews
|March 18, 2011
PubMed
Summary
This summary is machine-generated.

Theory-based interventions show promise for improving contraceptive use and adherence. Adapting effective strategies, particularly those targeting adolescents, can enhance reproductive health outcomes in various settings.

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Area of Science:

  • Reproductive Health
  • Behavioral Science
  • Public Health Interventions

Background:

  • Theory-based approaches are crucial for advancing knowledge in health research.
  • While widely used in HIV and STI prevention, educational interventions for contraception often lack a stated theoretical foundation.
  • This review focuses on the application of theory in contraceptive use interventions.

Purpose of the Study:

  • To review randomized controlled trials (RCTs) evaluating theory-based interventions for contraceptive choice, use, adherence, and continuation.
  • To identify effective theoretical approaches and intervention strategies in family planning.

Main Methods:

  • Searched multiple databases (MEDLINE, POPLINE, CENTRAL, PsycINFO, EMBASE, ClinicalTrials.gov, ICTRP) and contacted researchers for relevant RCTs.
  • Included trials testing theory-based interventions for improving contraceptive use, excluding those focused solely on STI/HIV prevention or high-risk groups.
  • Extracted data on primary outcomes including pregnancy, contraceptive choice, initiation/change in use, adherence, and continuation.

Main Results:

  • Fourteen RCTs met the inclusion criteria; 10 trials examined pregnancy/birth outcomes, with 2 showing better results for theory-based groups.
  • Theory-based interventions demonstrated improved outcomes in 4/10 trials for non-condom contraceptive use and 3/8 trials for condom use.
  • Effective interventions (7/13) often involved multiple sessions, particularly targeting adolescents, with Social Cognitive Theory being a common theoretical basis.

Conclusions:

  • Effective theory-based interventions can be adapted by family planning researchers and practitioners.
  • High-quality research on behavior change is needed in reproductive health, especially for clinical and low-resource settings.
  • Enhanced reporting of research design and intervention implementation, alongside more focused use of single theories, is recommended.