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Does A Vasectomy Make You Ejaculate Less?

Does A Vasectomy Make You Ejaculate Less?

Understanding the Vasectomy Procedure

In order to answer the question ‘Does a vasectomy make you ejaculate less?’ it’s important to first understand the basics of vasectomy (the most effective form of male birth control).

How a vasectomy works

A vasectomy is a permanent method of male birth control that involves severing or blocking the vas deferens, the tubes that carry sperm. This prevents sperm cells from being released during ejaculation, eliminating the chance of getting a partner pregnant. Sperm production continues, but sperm die and are absorbed by the body.

Types of vasectomy: Conventional vs. MSI No-scalpel

Conventional vasectomy involves making small incisions in the scrotum to access the vas deferens, while the MSI No-scalpel Open ended technique, uses a specialised instrument to puncture the skin. Both methods are effective for birth control, however, the MSI No-Scalpel technique reduces pain and recovery time.

does a vasectomy make you ejaculate less
A vasectomy has minimal impact on ejaculation with the primary difference being the absence of sperm in the ejaculate.

Debunking Vasectomy Myths

There are a number of common misconceptions surrounding vasectomy and its impact on sexual performance, hormonal balance, and overall health. Let’s separate fact from fiction to better understand this birth control option.

Vasectomy and sexual performance

A vasectomy has no negative impact on your sexual satisfaction, performance or testosterone production. Men can continue to enjoy a healthy sex life and maintain the same level of sexual activity as before the procedure.

Vasectomy and hormonal changes

Since vasectomies do not affect testosterone production, hormonal changes are minimal. Men can expect their sex drive and sexual function to remain unchanged following the procedure.

The Impact of Vasectomy on Ejaculation

So now you know that vasectomy doesn’t affect levels of testosterone or sexual function, the next question is whether or not it has any effect on ejaculation.

Semen composition before and after vasectomy

After a vasectomy, the ejaculate volume remains largely the same, as sperm cells contribute only a small percentage to the overall semen content. It may take several months to clear any remaining sperm from the reproductive system.

Factors affecting semen volume

Semen volume can vary due to factors unrelated to a vasectomy, such as age, hydration, and frequency of sexual activity. It’s essential to remember that a vasectomy only affects sperm count and not ejaculate volume.

does a vasectomy make you ejaculate less
After a vasectomy, the testicles continue to produce sperm, but the sperm cannot travel through the vas deferens and is instead absorbed by the body.

Post-Vasectomy Recovery

Before you have your vasectomy it’s important that you’re aware of your recovery timeline, from when you can resume sexual activity, to managing expectations and ensuring a smooth return to your sex life.

Recovery timeline and expectations

Recovery from a vasectomy typically takes a few days to a few weeks. Men are advised to refrain from sexual activity for the first week to avoid complications and ensure proper healing.

Resuming sexual activity after vasectomy

Men can usually resume sexual activity within a week after the procedure, but it is crucial to use an alternative form of birth control until a follow-up sperm count confirms the absence of sperm in the ejaculate.

How to book a vasectomy with MSI

If you’d like to contact us to ask any questions or address any concerns you may have, you can fill out our online contact form. Or if you’re ready to book your vasectomy, you can fill out our online booking form.


If you have any more questions about ejaculation after vasectomy or if you’d like more information, please don’t hesitate to contact us today. In the meantime check out our FAQs which may be able to provide you with the additional information you’re looking for.

After a vasectomy, most men do not experience any sensation of fullness in their testicles. The sperm produced by the testicles are now absorbed by the body. Any feelings of fullness or discomfort are usually temporary and resolve as the body heals from the surgery.

A vasectomy has minimal impact on ejaculation. The primary difference is the absence of sperm in the ejaculate, rendering the man sterile. The overall volume, consistency, and appearance of the semen remain largely unchanged, as sperm constitutes a small fraction of the total ejaculate.

Loss of sexual desire after a vasectomy is generally not a direct result of the procedure itself. A vasectomy does not affect testosterone production or sex drive. However, some men may experience temporary anxiety or psychological factors that could contribute to a decreased desire for sex. This usually resolves with time as men adjust to the changes.

Although vasectomies are generally considered safe, there are potential risks and side effects associated with the procedure. Like any surgical procedure, infection is a possibility, as is bleeding or blood clot formation in the scrotum. In rare cases, some men may experience chronic scrotal pain or post-vasectomy pain syndrome.

After a vasectomy, the testicles continue to produce sperm, but the sperm cannot travel through the vas deferens. Instead, the sperm is absorbed by the body. This process is natural and does not cause any harm or discomfort.

Most men can resume sexual activity within a week after the vasectomy, depending on their comfort and healing progress. However, it is essential to use an alternative form of birth control until a follow-up sperm count confirms the absence of sperm in the ejaculate, which can take 3 months.

Ejaculation generally feels the same after vasectomy as it did before the procedure. Since sperm make up only a small portion of the ejaculate, the overall volume, consistency, and sensation of ejaculation remain largely unchanged. Any differences in sensation are typically temporary and related to the healing process following the surgery.

About the Author

About the Author

Dr Justin Low

Justin received his medical degree from the University of Sydney in 1987 and completed the RACGP Family Medicine Program (FMP) in 1991. He became a Fellow of the Royal Australian College of General Practitioners in 1993. He has performed over 9000 vasectomies since 2011 during which time he developed the MSI No Scalpel Open Ended technique with painless needle technique. He is responsible for training an quality assurance of MSI Vasectomy services across the country.

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