DefinitionA vasectomy is surgery to cut the vas deferens, the tubes that carry a man's sperm from his scrotum to his urethra. The urethra is the tube that carries sperm and urine out of the penis. After a vasectomy, sperm cannot move out of the testes. A man who has had a successful vasectomy cannot make a woman pregnant.Alternative NamesSterilization surgery - male; No-scalpel vasectomy; NSVDescriptionVasectomy is usually done in the surgeon's office using local anesthesia. You will be awake but not feel any pain.After your scrotum is shaved and cleaned, your surgeon will give you a shot of numbing medicine into the area.Your surgeon will then make a small surgical cut in the upper part of your scrotum, and tie off and cut apart the vas deferens. Your surgeon will use stitches or a skin g