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Related Experiment Video

Updated: Jan 19, 2026

Collection of Post-mating Semen from the Female Reproductive Tract and Measurement of Semen Liquefaction in Mice
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Reasons for not completing postvasectomy semen analysis.

Jared Diederichs1, Patrick McMahon1, Johnathan Tomas1

  • 1Family physician in Saskatoon, Sask and at the University of Saskatchewan in Saskatoon.

Canadian Family Physician Medecin De Famille Canadien
|September 14, 2019
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Summary
This summary is machine-generated.

High rates of noncompliance with postvasectomy semen analysis (PVSA) were observed. Key reasons included being too busy, overconfidence in the procedure, and inconvenience, highlighting needs for improved patient counseling.

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Area of Science:

  • Family Medicine
  • Urology
  • Public Health

Background:

  • Postvasectomy semen analysis (PVSA) is crucial for confirming vasectomy success.
  • Noncompliance with recommended 3-month PVSA can lead to unintended pregnancies.

Purpose of the Study:

  • To determine noncompliance rates for the 3-month postvasectomy semen analysis (PVSA).
  • To explore patient-reported reasons for failing to complete the 3-month PVSA.

Main Methods:

  • Retrospective chart review of patients who underwent vasectomy since 2009.
  • Semistructured telephone interviews with 99 noncompliant patients to gather self-reported reasons.

Main Results:

  • A high combined noncompliance rate of 60.5% for 3-month PVSA was found across two family medicine clinics.
  • Primary reasons for noncompliance included: patient time constraints, perceived procedural success, and inconvenience of the PVSA process.
  • Significant variation in compliance rates between clinics was noted, potentially linked to practice type and patient referral patterns.

Conclusions:

  • The study identified high noncompliance rates for postvasectomy semen analysis (PVSA).
  • Understanding patient-reported barriers can inform future counseling strategies to improve adherence to PVSA guidelines.