See an illustration of the male reproductive system.
During a vasectomy, the vas deferens from each testicle is clamped, cut, or otherwise sealed. This prevents sperm from mixing with the semen that is ejaculated from the penis. An egg cannot be fertilized when there are no sperm in the semen. The testicles continue to produce sperm, but the sperm are reabsorbed by the body. (This also happens to sperm that are not ejaculated after a while, regardless of whether you have had a vasectomy.) Because the tubes are blocked before the seminal vesicles and prostate, you still ejaculate about the same amount of fluid.
It usually takes several months after a vasectomy for all remaining sperm to be ejaculated or reabsorbed. You must use another method of birth control until you have a semen sample tested and it shows a zero sperm count. Otherwise, you can still get your partner pregnant.
During a vasectomy:
No-scalpel vasectomy is a technique that uses a small clamp with pointed ends. Instead of using a scalpel to cut the skin, the clamp is poked through the skin of the scrotum and then opened. The benefits of this procedure include less bleeding, a smaller hole in the skin, and fewer complications. No-scalpel vasectomy is as effective as traditional vasectomy.1
In the Vasclip implant procedure, the vas deferens is locked closed with a device called a Vasclip. The vas deferens is not cut, sutured, or cauterized (sealed by burning), which possibly reduces the potential for pain and complications. Some studies show that clipping is not as effective as other methods of sealing off the vas deferens.3
What To Expect After Surgery
Your scrotum will be numb for 1 to 2 hours after a vasectomy. Apply cold packs to the area and lie on your back as much as possible for the rest of the day. Wearing snug underwear or a jockstrap will help ease discomfort and protect the area.
You may have some swelling and minor pain in your scrotum for several days after the surgery. Unless your work is strenuous, you will be able to return to work in 1 or 2 days. Avoid heavy lifting for a week.
You can resume sexual intercourse as soon as you are comfortable, usually in about a week. But you can still get your partner pregnant until your sperm count is zero. You must use another method of birth control until you have a follow-up sperm count test 2 months after the vasectomy (or after 10 to 20 ejaculations over a shorter period of time). Once your sperm count is zero, no other birth control method is necessary.
Most men go back to the doctor's office to have their sperm count checked. But there is also a home test available.
A vasectomy will not interfere with your sex drive, ability to have erections, sensation of orgasm, or ability to ejaculate. You may have occasional mild aching in your testicles during sexual arousal for a few months after the surgery.
Why It Is Done
A vasectomy is a permanent method of birth control. Only consider this method when you are sure that you do not want to have a child in the future.
How Well It Works
Risk of failure
Pregnancy may occur after vasectomy because of:
The risk of complications after a vasectomy is very low. Complications may include:
What To Think About
Vasectomy is a permanent method of birth control. Once your semen does not contain sperm, you do not need to worry about using other birth control methods.
Vasectomy is a safer, cheaper procedure that causes fewer complications than tubal ligation in women.1
Although vasectomy is expensive, it is a one-time cost and is often covered by medical insurance. The cost of other methods, such as birth control pills or condoms and spermicide, is likely to be greater over time.
A vasectomy does not protect against sexually transmitted diseases (STDs), including infection with the human immunodeficiency virus (HIV). Condoms are the most effective method for preventing STDs. To protect yourself and your partner from STDs, use a condom every time you have sex.
If you are considering a vasectomy, be absolutely certain that you will never want to father a child.
A vasectomy is not usually recommended for men who are considering banking sperm in case they decide later to have children. Discuss other options with your partner and your health professional.
Surgery to reconnect the vas deferens (vasectomy reversal) is available. But the reversal procedure is difficult. Sometimes a doctor can remove sperm from the testicle in men who have had a vasectomy or a reversal that didn't work. The sperm can then be used for in vitro fertilization. Both vasectomy reversal and sperm retrieval can be expensive, may not be covered by insurance, and may not always work.
Some doctors or health insurance plans may require a waiting period from the time you request a vasectomy and the time the procedure is done. This time allows you to be certain about your decision.
Researchers are studying other male birth control methods, such as reversible vasectomy or hormonal methods. Reversible vasectomy involves plugging the vas deferens and then removing the plug when birth control is no longer wanted. Hormonal methods include pills or injections that the man would use to prevent sperm production. So far, no new method has been shown to be effective enough, with low side effects, to be marketed for men.
eMedicineHealth Medical Reference from Healthwise
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