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Vasectomy Reversal Success Rate

A common question asked by couples considering a vasectomy reversal is “What is the success rate”. There is no precise way to determine success (which we will define as return of sperm to the ejaculate) prior to a procedure. There is certainly good data demonstrating a direct relationship between the time since the vasectomy and the success of the procedure.  However, many patients have a normal semen analysis after a vasectomy reversal, even when the reversal was done greater than 20 years after the vasectomy. Success is also a function of other factors besides the time from a vasectomy. For instance: site where sperm is found (vas deferens or epididymis) at the time of procedure, testicular size and function, length of viable vas deferens present…and of course the experience of the Surgeon.  In addition, if you define success as pregnancy then female factors must also be considered.  Oftentimes, many factors can be identified prior to the procedure by a comprehensive physical examination and review of the medical history. This will allow the Urologist to discuss the realistic expectations. Also, sperm banking of vasal/epididymal or testicular sperm done at the time of the procedure will assure that IVF (in vitro fertilization) can be done without the need for any additional procedures.

Bruce R. Gilbert, M.D., Ph.D., FACS
Director, Reproductive and Sexual Medicine
Smith Institute for Urology

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