We Are Specialists in

Vasectomy Reversals

Flannigan Fertility offers Vasectomy Reversals & MicroTESE sperm retrievals  with world-class success rates in Vancouver, Canada.

Our Story

Dr. Ryan Flannigan has dedicated his career to refining his microsurgical skillset to optimize success rates for Vasectomy Reversals and microsurgical sperm retrievals. 

Dr. Flannigan also serves as an internationally funded surgeon-scientist working to develop novel technologies to help improve treatments for Male infertility, erectile dysfunction and Peyronie’s disease. 

Dr. Flannigan completed his fellowship training in Male Reproduction, Microsurgery at the world-renowned Weill Cornell Medicine and Memorial Sloan Kettering Center in New York, NY.  

Dr. Flannigan now serves as the director of Male Reproduction and Sexual Medicine at the University of British Columbia, Senior surgeon-scientist within the UBC Department of Urologic Sciences, and Fellowship Director for Male Reproduction, Sexual Medicine and Microsurgery Training Program.

Latest Videos

Our videos provide up-to-date evidence-based information pertaining to male infertility, vasectomy reversals, sperm retrieval, Peyronie’s disease, and erectile dysfunction.


Dr. Flannigan is a senior scientist at the University of British Columbia in the Department of Urologic Sciences with research specialties across the fields of male fertility and sexual medicine.

Composite Health Behaviour Classifier as the Basis for Targeted Interventions and Global Comparisons in Men’s Health

Our group created a classification system to evaluate important health behaviours of Canadian men. We identified that over 40% of Canadian men demonstrate 3/5 unhealthy behaviours and a significant need …

Unhealthy Behaviors Among Canadian Men are Predictors of Comorbidities: Implications for Clinical Practice

This study evaluated 2000 Canadian men. We identified men with unhealthy lifestyle choices demonstrated increased rates of medical conditions. Interestingly, unhealthy sleep patterns were associated with erectile dysfunction and depression.

The Kinetics of Sperm Return and Late Failure Following Vasovasostomy or Vasoepididymostomy: A Systematic Review

Our group evaluated all of the papers in the literature reporting on timing of sperm returning to the ejaculate following vasectomy reversals. We found that time from surgery to identification of sperm in the ejaculate was 1.7-4.3 months follow …

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Flannigan Fertility offers Vasectomy Reversals & microTESE sperm retrievals with world-class success rates in Vancouver, Canada.