Treatment with antibiotics is successful. This most often happens within four months of the operation and may allow pregnancy to happen. Decreased sexual desire or inability to become erect occur in four out of 1,000 cases. There has been no proven association between vasectomy and prostate cancer. That depends on you.
Most men start again within a week.
Others have sex sooner. Some wait longer. But remember , it takes about 15-20 ejaculations to clear sperm out of your system. Use another form of birth control for vaginal intercourse until a semen analysis shows there are no longer sperm in your seminal fluid. You will provide a sample of your semen by masturbating or by using a special condom during sexual intercourse.