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10- What happens to the sperm after a vasectomy?

It is important to distinguish how much time has passed been since the vasectomy was performed. Immediately after the vasectomy and for up to eight months after the vasectomy, sperm that are healthy remain in the vas tubes that connect to the ejaculate such that pregnancy is still possible. Beginning about three months after the vasectomy the ejaculate is tested for sterility, so that the vasectomy can be deemed a success. Until then, an alternative birth control method is necessary. Once the vasectomy is deemed successful, this means no live sperm are present and will enter this section of the cut vas tubes.

The testicles will continue to produce sperm that will in turn leak out the lower ends of the cut vas tubes. Except now with the vas deferens having been cut, can no longer mix with the semen. Generally speaking, a vasectomy leaves the patient physically unchanged. The sperm cells will be surrounded and broken down by the body's waste removal cells into their component parts, which are either excreted or recycled. This process causes no concerns of any clinical significance.

To better understand For a man who has not undergone a vasectomy, approximately 40% to 50% of sperm produced never reach the point of being ejaculated. The sperm produced in the testes first travels to the epididymis where it matures over a period of a month prior to ejaculation. Excess fluid in the epididymis is re-absorbed and solid content is broken down. Survival of the fittest is the order of the day, with the ones that don't make it being broken down and being reabsorbed into the body through the membranes by macrophages. So after a vasectomy, this reaction steps up a gear to break down and absorb all of the sperm produced.

Another common concern after a vasectomy is whether there will be a noticeable difference given that there will be no sperm in the ejaculate. The answer is no from the male and female's perspective. Normally the ejaculate contains 3-5% sperm, which will not be noticeable. The rest is seminal fluid produced by the seminal vesicles/prostate gland. After a vasectomy you will ejaculate about 95-97% of what you did prior to vasectomy.

Additionally, some men ask whether a vasectomy will effect testosterone levels. The testes still produce testosterone as before. In fact, some major studies indicate that testosterone levels may decrease more slowly with age.

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