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Birth Control Methods

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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...

Imaging Studies VI: Voiding Cystourethrography and Cystography

Imaging Studies VI: Voiding Cystourethrography and Cystography

Voiding Cystourethrography (VCUG) and Cystography are specialized radiographic procedures used to examine the structure and function of the bladder and urethra.Voiding Cystourethrography (VCUG)A Voiding Cystourethrogram (VCUG) is a diagnostic imaging procedure that assesses the anatomy and function of the lower urinary tract. It focuses on the bladder, bladder neck, and urethra, helping detect abnormalities such as vesicoureteral reflux (VUR)—the backward or reverse flow of urine into the...

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Related Experiment Video

Updated: Mar 11, 2026

Optimizing the Modified No-Scalpel Vasectomy Technique

Optimizing the Modified No-Scalpel Vasectomy Technique

Published on: October 18, 2024

CUA guideline: Vasectomy

Armand Zini¹, John Grantmyre², Peter Chan¹

¹Division of Urology, Department of Surgery, McGill University, Montreal, QC, Canada.

Canadian Urological Association Journal = Journal De L'Association Des Urologues Du Canada

|November 24, 2016

Summary

No abstract available in PubMed .

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