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Related Experiment Videos

Vasectomy effectiveness in Nepal: a retrospective study.

Hanif Nazerali1, Shyam Thapa, Melissa Hays

  • 1Clinical Research Department, Family Health International, P.O. Box 13950, Triangle Park, NC 27713, USA.

Contraception
|May 14, 2003
PubMed
Summary

Vasectomy failure rates in Nepal may exceed common estimates, particularly for younger men. Counseling should emphasize potential risks like partner pregnancy and the need for follow-up testing.

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Area of Science:

  • Public Health
  • Urology
  • Family Planning

Background:

  • Vasectomy is a common method of male sterilization.
  • Effectiveness rates are typically cited as very high, but data from low-resource settings are limited.

Purpose of the Study:

  • To evaluate the effectiveness of vasectomy in a public sector program in Nepal.
  • To assess vasectomy failure rates and associated factors.

Main Methods:

  • Retrospective, cross-sectional study of 1263 men who underwent no-scalpel vasectomy.
  • Analysis of semen samples and partner pregnancy reports.
  • Surgeon questionnaires on techniques used.

Main Results:

  • 2.3% of men had sperm counts >/=500,000/mL.

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  • Pregnancies were reported by men with sperm and even those with azoospermia (especially within 3 months post-vasectomy).
  • Life table pregnancy rates were 0.7%, 1.7%, and 4.2% at 3, 12, and 36 months.

    • Conclusions:

    • Vasectomy failure rates in low-resource settings may be higher than commonly reported.
    • Younger partners were more likely to conceive.
    • Counseling should include the possibility of failure and partner pregnancy.