A vasectomy is a permanent birth control method and it works by preventing the release of sperm when a man ejaculates. While conducting the vasectomy procedure the vas deferens on each testicle is either clamped, cut or sealed to prevent the sperm from mixing with semen that has been ejaculated and since an egg cannot be fertilized without a sperm then no conception occurs. Even after undergoing the procedure the the testicles can still produce sperms but the sperms are reabsorbed by the body which is the same thing that happens when sperms are not ejaculated after a while even if the person has not had vasectomy and because the tubes are blocked before reaching the seminal vesicles and prostate the person can still ejaculate the same amount of fluid.
It takes a couple of months after the vasectomy procedure for the remaining sperm to be ejaculated or reabsorbed back into the body and thus the person has to use another method of birth control until the sperm have been tested that they have a zero sperm count without which the partner can get pregnant.
One advantage of vasectomy is that it is a permanent method of birth control and once the semen has no sperm it cannot fertilize the sperm and thus the person does not need to use any other family planning method and it is also a safe and cheap procedure that has fewer complications than tubal ligation in women. Though vasectomy is an expensive procedure it is a one-time cost that is covered by the medical insurance and the comparative cost with other methods like birth control pills or condoms and spermicides is likely to be high over the long run. The demerit of vasectomy is that it does not protect the person against sexually transmitted diseases such as HIV and condoms still remain the most effective method of preventing sexually transmitted infections every time someone has sex.
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It is a known fact that the procedure can fail if the person does not use birth control until the sperm count is confirmed to be zero and it typically takes between 10-20 ejaculations to completely clear sperm from semen. Another instance where the procedure can fail is when there is a spontaneous reconnection of the vas deferens or there is an opening in one of the ends that allow sperms to mix with the semen again. It is vital to state that the procedure has some risk of complications such as: bleeding under the skin that may cause bruising or swelling, infection at the incision site or inside the scrotum that is rare or sperm leaking from the vas deferens into the tissue around can cause a small lump that is called a sperm granuloma.If You Think You Get Doctors, Then Read This