Normal Penis Growth and Hormonal Concerns at 17 - Urology

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At 17 years old, you are still within the typical range for male development, and it’s important to understand that growth and development can vary significantly from person to person. Based on the information you provided, your height of 177 cm and weight of 55 kg indicates a lean body type, which is not uncommon during adolescence.
Regarding your penis size, the average erect penis size is generally reported to be around 12 to 16 cm, with a circumference of about 11.5 cm. Your measurements of 11 cm in length and 2.5 cm in diameter are within the normal range, although on the smaller side of average. It's crucial to remember that penis size does not correlate with masculinity, sexual ability, or self-worth. Many factors contribute to sexual health and satisfaction, and size is just one of them.

As for hormonal concerns, testosterone plays a significant role in male development, including the growth of the penis, testicles, and secondary sexual characteristics such as voice deepening and body hair growth. Since you mentioned that your voice has changed, it indicates that you are likely undergoing normal pubertal changes. The timing of these changes can vary widely; some boys may experience rapid growth and development earlier in their teenage years, while others may continue to develop into their late teens or even early twenties.

If you are concerned about your development or feel that you are not progressing as you should, it may be beneficial to consult with a healthcare professional, such as an endocrinologist or a urologist. They can assess your growth patterns, check your hormone levels, and determine if there are any underlying issues that need to be addressed. Hormonal treatments are typically reserved for specific medical conditions and should not be undertaken without professional guidance.

In terms of growth potential, most males will continue to grow in height until their growth plates close, which usually occurs around the ages of 18 to 21. If you are still experiencing growth in height, it is a positive sign that your growth plates have not yet closed.
In summary, your current measurements are within the normal range, and it is not uncommon for individuals to have concerns about their development during adolescence. If you have specific worries about your growth or hormonal levels, seeking advice from a medical professional is the best course of action. They can provide personalized insights and recommendations based on your individual health and development. Remember, everyone's body develops at its own pace, and there is a wide range of what is considered "normal."