Testicular Size Discrepancies and Related Concerns - Urology

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Testicular issues


Hello, doctor.
I have one testicle that is larger than the other.
I have visited two doctors who performed a physical examination (without an ultrasound) and both said it was normal and advised me not to worry.
However, I feel that there is a noticeable difference in size.
Should I go to a medical center for further examination? Additionally, last night after masturbation, I experienced a nocturnal emission a few hours later.
Is there any issue with this?

Zhi, 20~29 year old female. Ask Date: 2018/10/14

Dr. Du Shixi reply Urology


Hello: It is normal for the testicles to have some differences between the two sides.
If you are very concerned, you can visit a medical center for an examination.
Regarding experiencing nocturnal emissions a few hours after masturbation, there is no issue.
Wishing you good health.

Reply Date: 2018/10/14

More Info


Understanding testicular size discrepancies can be a source of concern for many individuals. It's important to note that it is quite common for one testicle to be slightly larger or smaller than the other. This asymmetry is usually normal and can be attributed to various factors, including genetics, hormonal influences, and anatomical variations. However, if there is a noticeable difference in size or if you experience any discomfort, pain, or changes in texture, it is advisable to seek further evaluation.

In your case, since you have already consulted with two physicians who performed a physical examination and deemed your condition normal, it may be reassuring to know that many men experience similar variations without any underlying health issues. However, if you feel that the discrepancy is significant or if you have any additional concerns, visiting a medical center for a more comprehensive evaluation, including an ultrasound, could provide you with peace of mind. An ultrasound can help assess the structure and blood flow of the testicles, ruling out conditions such as testicular torsion, varicocele, or tumors.

Regarding your question about nocturnal emissions (commonly referred to as "wet dreams") following masturbation, this is a normal physiological occurrence. Nocturnal emissions are a natural part of male sexual health and can happen regardless of recent sexual activity. They occur during the REM (rapid eye movement) phase of sleep and are influenced by hormonal levels and sexual arousal, which can be heightened by various factors, including dreams.
It is essential to understand that both masturbation and nocturnal emissions are normal aspects of male sexual function and do not indicate any underlying health issues. If you are experiencing any discomfort or if these occurrences are accompanied by pain, changes in urination, or other unusual symptoms, it would be wise to consult a healthcare professional.

In summary, while testicular size discrepancies are often normal, further evaluation can be beneficial if you have concerns. Additionally, nocturnal emissions are a common and natural occurrence that typically does not warrant concern. Maintaining open communication with your healthcare provider about any changes or worries regarding your sexual health is crucial for ensuring your overall well-being.

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