Penis Color and Size: Common Concerns for Young Men - Urology

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He has no issues?


I am a boy with no sexual experience, but I do engage in masturbation.
Why is my penis dark purple? A few days ago, when I went to a hot spring with my classmates, I noticed that everyone else's skin color was normal, except for mine.
My classmates said it was because I used it too much, but I have never had sexual intercourse.
Also, I want to ask what is considered a normal size for a male penis in medical terms.
One of my classmates has a small build, but his penis measures only 2 centimeters.
We all think that is abnormal, but he says he can still have intimate relations with his girlfriend and it doesn't matter.
Does penis size really make a difference? He is quite confident about himself.
Some people laugh at him for being small, but he doesn't care.

Xingzi, 20~29 year old female. Ask Date: 2004/11/28

Dr. Cai Bingkun reply Urology


Hello, the skin color of the penis is related to the amount of melanin in the skin; the more melanin present, the darker the skin color, which is unrelated to sexual activity.
In normal males, the length of the penis when flaccid is approximately five to six centimeters, and it can reach eleven to thirteen centimeters when erect.
However, the focus should not be on the length of the penis but rather on its function.
If the length is excessive but the function is poor, it is ultimately of no use.

Reply Date: 2004/11/28

More Info


Understanding penis color and size is a common concern among young men, especially those who are just beginning to explore their bodies and sexuality. It’s important to address these concerns with accurate information and a focus on health rather than societal expectations or peer comparisons.

Firstly, the color of the penis can vary significantly among individuals and is primarily influenced by the amount of melanin in the skin. Melanin is the pigment responsible for skin color, and variations in its concentration can lead to differences in the appearance of the penis. A darker or purplish hue, as you described, is not uncommon and does not necessarily indicate any health issue. This coloration can be more pronounced in certain areas due to increased blood flow, especially during arousal. It’s a normal physiological response and is not directly related to sexual activity or masturbation frequency.

Regarding the size of the penis, medical studies have established that the average erect penis size is typically between 5 to 6 inches (approximately 12.7 to 15.24 cm) in length and about 4.5 to 5 inches (approximately 11.43 to 12.7 cm) in circumference. However, it’s crucial to understand that penis size does not determine a person's worth or their ability to engage in satisfying sexual relationships. Your friend, despite having a smaller penis size, can still have a fulfilling sexual experience, as sexual satisfaction is influenced by many factors beyond size, including emotional connection, technique, and communication.

It’s also worth noting that during puberty and adolescence, the body undergoes numerous changes, and penis size can vary widely among individuals. Some may experience growth spurts later than others, and this is entirely normal. The notion that a smaller penis size is "abnormal" is often rooted in societal pressures and unrealistic portrayals in media rather than medical fact.
Moreover, the psychological aspect of body image plays a significant role in how young men perceive themselves and their bodies. It’s essential to foster a positive body image and to understand that self-worth is not tied to physical attributes. Encouraging open discussions about these topics can help alleviate anxiety and promote a healthier understanding of one’s body.

If you have concerns about your body or any changes you notice, it’s always a good idea to consult with a healthcare professional. They can provide personalized advice and reassurance based on your specific situation. Remember, everyone’s body is unique, and variations in color, size, and shape are part of what makes us human. Embracing these differences can lead to a more positive self-image and a healthier approach to sexuality and relationships.
In conclusion, it’s important to focus on the functionality of the penis rather than its size or color. Healthy sexual relationships are built on mutual respect, understanding, and communication, rather than physical attributes alone. Embrace your individuality, and remember that confidence and self-acceptance are key components of a fulfilling life.

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