Is My Penis Size Normal at 19? Growth and Development - Urology

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At 19 years old, the penis may appear to be somewhat small?


Hello doctor, I am a 19-year-old freshman and I would like to inquire about whether my penis is normal.
In its flaccid state, it measures about 2 centimeters, and it gets even shorter in cold weather.
When erect, it measures 5.3 centimeters, and its girth is similar to that of my index finger.
I feel that mine is particularly small.
I would like to ask if my penile development is considered normal at this age, and is there still a chance for further development at 19 years old?

Chen Zongsheng, 10~19 year old female. Ask Date: 2022/10/13

Dr. Du Shixi reply Urology


Hello: The length of the penis should be measured by a physician.
If there is obesity, it may lead to an underestimation.
If the voice has changed and pubic hair has developed, growth should be approximately complete.
If you have concerns, it is recommended to consult a urologist at a major hospital.
Wishing you good health.

Reply Date: 2022/10/13

More Info


At 19 years old, it's understandable to have concerns about your penis size and whether it is considered normal. Based on the information you've provided, your measurements indicate that your penis is smaller than average when flaccid and erect. The average size for an adult male's penis varies, but studies suggest that the average erect penis size is around 5.1 to 5.5 inches (approximately 13 to 14 cm) in length, while the average flaccid size is about 3.6 inches (approximately 9.1 cm).
It's important to note that penis size can vary significantly among individuals, and many factors can influence this, including genetics, hormonal levels, and overall health. The fact that you are concerned about your size is not uncommon, as many young men experience similar worries during their development.

Regarding your question about whether there is still a chance for growth at 19, the answer is somewhat complex. Most males experience their final growth spurts during puberty, which typically occurs between the ages of 12 and 16. By the age of 19, many males have completed their physical development, including the growth of the penis. However, some individuals may continue to experience slight changes in size into their early twenties, although these changes are generally minimal.

If you are feeling particularly anxious about your size or development, it may be beneficial to consult with a healthcare professional, such as a urologist. They can provide a thorough examination and determine whether your development is within a normal range. Additionally, they can address any underlying concerns you may have, such as hormonal imbalances or other medical conditions that could affect growth.

It's also worth mentioning that penis size does not determine one's worth or ability to engage in sexual relationships. Confidence, communication, and emotional connection are far more important factors in intimate relationships than physical attributes.
In summary, while your current size may be below average, it is essential to remember that there is a wide range of what is considered normal. If you have concerns about your development or health, seeking professional advice is always a good step. Remember, everyone's body is different, and focusing on overall health and well-being is crucial.

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