Testicular Size and Hormonal Imbalances in Young Men - Urology

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Regarding the Testes and Hormones


Hello doctor, I would like to ask you about my situation.
I previously visited a urologist who mentioned that my testicles are quite small, about 2 to 3 centimeters (they have been this way since elementary school).
I also noticed that my semen volume is very low; it doesn't "shoot out," but rather flows out.
When my penis is not erect, it measures about 4 cm (including the glans), and when erect, it is about 10 cm.
I am now almost 19 years old, with a BMI of 22, and I have a slightly slim build, measuring 175 cm and weighing 66 kg.
Could this be related to my hormone levels? Is it possible that I have underdeveloped testicles due to hormonal issues? I feel like I might have a higher level of estrogen compared to testosterone, as my chest seems a bit larger...
I'm not sure if this is congenital or acquired.
Are there any methods to supplement testosterone? Are there medications available? I just want to be a normal guy like everyone else...

xiang bu tou, 10~19 year old female. Ask Date: 2006/05/23

Dr. Xu Weikai reply Urology


It is difficult to understand: Hello, male hormone supplements, aside from a few that have FDA approval, most medications carry a risk of carcinogenicity.
Therefore, in clinical practice, these medications are generally not prescribed unless there is a genuine need.
Regarding penis size, there are many explanations available through search engines or previous inquiries about the average size among the population.
It is recommended to visit a larger hospital to check hormone levels, related endocrine concentrations, semen analysis, and if necessary, to undergo further testing.
This is a response from Dr.
Hsu Wei-Kai, Director of Urology at Taitung Hospital, Department of Health, Executive Yuan.

Reply Date: 2006/05/23

More Info


It's understandable to have concerns about your hormonal health and physical development, especially when it comes to issues like testicular size and semen production. Based on your description, it seems you may be experiencing symptoms that could be related to hormonal imbalances, particularly involving testosterone.

Testicular size can vary significantly among individuals, and while smaller testicles can sometimes be a normal variation, they can also indicate underlying issues, particularly if they have not developed normally during puberty. The average size of adult testicles is typically around 3 to 5 centimeters in length, so your measurements are on the smaller side. This could be a sign of a condition known as hypogonadism, where the body doesn't produce enough testosterone.
Low testosterone levels can lead to various symptoms, including reduced semen volume, erectile dysfunction, and gynecomastia (enlarged breast tissue). The fact that you feel you have more feminine characteristics, such as breast development, could further suggest an imbalance in your hormone levels. In some cases, this can be due to an excess of estrogen relative to testosterone, or it could be a result of other factors affecting your endocrine system.

It's important to note that hormonal imbalances can be caused by a variety of factors, including genetic conditions, issues with the pituitary gland (which regulates hormone production), or testicular disorders. Conditions such as Klinefelter syndrome, for example, can lead to underdeveloped testicles and low testosterone levels, often accompanied by gynecomastia.

To address your concerns, the best course of action would be to consult with an endocrinologist or a urologist who specializes in male reproductive health. They can perform a thorough evaluation, including blood tests to measure your hormone levels (such as testosterone, luteinizing hormone, and follicle-stimulating hormone) and possibly imaging studies to assess your testicular structure.
If it is determined that you have low testosterone levels, there are treatment options available. Testosterone replacement therapy (TRT) can help restore normal hormone levels and alleviate symptoms. However, it's crucial to approach this under medical supervision, as improper use of testosterone can lead to significant side effects and health risks, including cardiovascular issues, liver damage, and potential fertility problems.

In addition to medical treatments, lifestyle factors can also play a role in hormone levels. Regular exercise, a balanced diet, maintaining a healthy weight, and managing stress can all contribute positively to hormonal health. Avoiding substances that can disrupt hormone levels, such as anabolic steroids and certain medications, is also advisable.

In summary, your concerns about testicular size and hormonal imbalances are valid and warrant further investigation. Consulting with a healthcare professional who specializes in this area will provide you with the most accurate diagnosis and appropriate treatment options. Remember, you are not alone in this, and there are pathways to achieving the health and normalcy you desire.

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