A vasectomy can be reversed, but reversal within 10 years succeeds only about 55% of the time, it is expensive microsurgery, and it gets worse with every year that passes.
That is why the procedure is counseled as permanent contraception, not a pause button. Reversal surgery reconnects the vas deferens (vasovasostomy) or bypasses a blockage to the epididymis. Even when sperm returns to the ejaculate, pregnancy is not guaranteed: sperm antibodies and scarring lower the real-world odds further. Cost is its own barrier, since reversal is frequently not covered and runs to thousands of dollars privately. The decision rule is simple. If you are certain you are done having children, vasectomy is excellent: over 99% effective, outpatient, quick recovery. If you are not certain, the answer is not "get it and reverse it later"; it is "choose a reversible method now." Sperm banking before the procedure is the reasonable middle path for anyone torn.
What to do
Common questions
Is a vasectomy reversible?
Technically yes, practically maybe. A vasectomy can be surgically reversed by reconnecting the vas deferens (vasovasostomy) or, when that is not possible, attaching it directly to the epididymis. But three realities explain why every guideline says to treat vasectomy as permanent from the start. First, success fades with time: reversal carried out within 10 years of the vasectomy has a success rate of about 55%, and the odds drop the longer you wait. Success here means sperm returning to the ejaculate; actual pregnancy rates run lower still. Second, it is a real operation: microsurgery lasting a few hours, far more involved than the original 20-minute procedure, and expensive out of pocket. Third, even a technically perfect reconnection does not guarantee fertility, because the body can develop sperm antibodies and scarring can re-block the channel. So the honest framing: reversal is an option, not an undo button. If there is any meaningful chance you will want children later, do not get a vasectomy now; choose a long-acting reversible method instead, or look into sperm freezing before the procedure if you want a biological backstop.