The 20-minute procedure involves blocking the tube that transports sperm

  • It involves surgically cutting or blocking the tubes that transport sperm from the testicles to the penis
  • Afterwards there will be no noticeable difference in the volume of semen, but it will not contain sperm
  • It can be reversed, but there is no guarantee it will succeed
  • About 50 million men who have received a vasectomy worldwide.

Source: World Vasectomy Day

Link: http://www.bbc.com/news/world-africa-38027215