I ejaculate a very small volume, less than a 1/2 tsp. I had a vasectomy about 25 years ago. The volume does seem to have decreased over time

Also, my testicles are much smaller now. Is this normal? I'm 57 years old

Answers from doctors (7)


More About Doctor John C. McHugh, MD

Published on Jan 19, 2019

Changes in the character and volume of semen is not unusual as men age. This can be affected by the level of hydration, prostate procedures, or taking medications such as Flomax or Proscar. Small testicles can occur with certain disorders of the testicles, changes in hormones produced by the brain, or if you take testosterone. If no other issues or symptoms, both of these issues are probably just normal for you. However, if concerned, you should be examined by your urologist.

Answered by John C. McHugh, MD (View Profile)

Changes in the character and volume of semen is not unusual as men age. This can be affected by the level of hydration, prostate procedures, or taking medications such as Flomax or Proscar. Small testicles can occur with certain disorders of the testicles, changes in hormones produced by the brain, or if you take testosterone. If no other issues or symptoms, both of these issues are probably just normal for you. However, if concerned, you should be examined by your urologist.

Published on Jul 11, 2012


Roscoe S. Nelson, MD, FACS

Published on Jun 03, 2015

It's normal for your ejaculatory volume to decrease as you age. The amount of your ejaculate that comes from the testicles is very small, only a few drops. The size of your testicles is a different issue. That can be from trauma, lower hormonal stimulation or vascular issues (among other reasons). That would need to be checked out by your urologist.

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Answered by Roscoe S. Nelson, MD, FACS

It's normal for your ejaculatory volume to decrease as you age. The amount of your ejaculate that comes from the testicles is very small, only a few drops. The size of your testicles is a different issue. That can be from trauma, lower hormonal stimulation or vascular issues (among other reasons). That would need to be checked out by your urologist.

Published on Jul 11, 2012


Steven K. Sterzer, MD

Published on Jun 03, 2015

Ejaculatory volume decreases with age. If your testicles are shrinking over time it may be due to loss of the testosterone secreting cells. If your libido is low a blood testosterone level should be checked.

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Answered by Steven K. Sterzer, MD

Ejaculatory volume decreases with age. If your testicles are shrinking over time it may be due to loss of the testosterone secreting cells. If your libido is low a blood testosterone level should be checked.

Published on Jul 11, 2012


Anshu S. Guleria, MD

Published on Jun 02, 2015

The ejaculation volume may decrease with age but the testicle size should not. You should have a blood test for Testosterone and PSA then get a urologist to evaluate you.

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Answered by Anshu S. Guleria, MD

The ejaculation volume may decrease with age but the testicle size should not. You should have a blood test for Testosterone and PSA then get a urologist to evaluate you.

Published on Jul 11, 2012


the decrease in ejaculate volume can be caused from several different reasons including age, medication especially alpha blocker medications that are used for blood pressure & enlarged prostate, as well prior prostate procedures (NOT vasectomy), seminal vesicle disease, ejaculatory duct obstruction, etc. Even though, decrease in ejaculate volume & size of testis can be a normal aging process, You should see a urologist for exam & further evaluation.

Answered by Farhad B. Nowzari, MD, FACS (View Profile)

the decrease in ejaculate volume can be caused from several different reasons including age, medication especially alpha blocker medications that are used for blood pressure & enlarged prostate, as well prior prostate procedures (NOT vasectomy), seminal vesicle disease, ejaculatory duct obstruction, etc. Even though, decrease in ejaculate volume & size of testis can be a normal aging process, You should see a urologist for exam & further evaluation.

Published on Jul 11, 2012


Jeffrey Alan Moody, MD

Published on Jun 02, 2015

Ejaculate volume can decrease with time and age, and may be affected by medical conditions like diabetes or prostate or spinal surgery. Vasectomy generally is not thought to cause a decrease in ejaculate volume. Testicular volume may decrease with time as testosterone production declines with age.

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Answered by Jeffrey Alan Moody, MD

Ejaculate volume can decrease with time and age, and may be affected by medical conditions like diabetes or prostate or spinal surgery. Vasectomy generally is not thought to cause a decrease in ejaculate volume. Testicular volume may decrease with time as testosterone production declines with age.

Published on Jul 11, 2012


Stephen F. Shaban, MD

Published on Jun 02, 2015

What you are describing is the aging process.
It has no connection to a vasectomy.

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Answered by Stephen F. Shaban, MD

What you are describing is the aging process.
It has no connection to a vasectomy.

Published on Jul 11, 2012


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