A newer approach to postvasectomy semen analysis (PVSA) may make it easier for men to undergo testing to confirm whether they are sterile — a step that often is skipped, which, in rare instances, can ...

Having to provide repeated semen samples following a vasectomy could soon be a thing of the past, after 96 percent of men were given the all-clear based on a single test three months after surgery.

A vasectomy, or male sterilization, involves cutting or sealing the tubes that carry sperm into seminal fluid, or semen. It prevents semen from containing sperm but does not affect testosterone levels ...

A vasectomy is a form of permanent male contraception that involves surgically cutting or blocking the vas deferens, the tubes that carry sperm from the testicles to the penis. Sperm is needed to ...