Vasectomy is a surgical technique done in men to cut the vas deferens bilaterally to prevent sperm from reaching the seminal fluid during ejaculation.Urologists usually do vasectomies by cutting small holes or slits in the scrotum and then cutting the vas deferens bilaterally and sealing both sides of each cut with stitches or cautery. Vasectomy is one of the most effective birth control; about 33 times more effective than oral contraception and about 90 times more effective than condoms but not immediately (it takes about three months before... read full review »