Developmental Concerns in Adolescent Urology - Urology

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Child developmental issues?


Hello, doctor.
I would like to ask a question.
My child is 16 years old, and his genitalia is about the size of a small girl's pinky finger (possibly not even that long).
When he was 5 years old, we took him to the hospital because we couldn't see his genitalia well.
The doctor said it was because he was overweight.
However, now at 16 years old, he is 164 cm tall and weighs 91 kg, yet his genitalia is still only the size of a pinky finger.
Is this normal, or should we wait until he is older to see a doctor? I am concerned that if he starts treatment now, it might affect his growth.
Thank you.

Liu Xiansheng, 40~49 year old female. Ask Date: 2012/07/14

Dr. Jiang Yini reply Urology


What is the actual length of your son's erection? Sometimes, due to a thicker layer of fat near the pubic bone, the penis may appear shorter.
Of course, the actual situation can be examined by a urologist, and if necessary, hormonal assessments can be conducted.

Reply Date: 2012/07/14

More Info


When it comes to developmental concerns in adolescent urology, particularly regarding the size of the genitalia and its implications for growth and health, there are several important factors to consider. Your concern about your 16-year-old child's genital size, especially in comparison to peers, is understandable. It’s essential to approach this topic with sensitivity and an understanding of normal developmental variations.

Firstly, it is important to recognize that puberty is a complex process that varies significantly among individuals. The onset of puberty typically occurs between ages 9 and 14 for boys, and it can last several years. During this time, boys experience a range of physical changes, including growth in height, changes in body composition, and development of secondary sexual characteristics, such as increased size of the penis and testicles, growth of pubic hair, and deepening of the voice.

In your child's case, at 16 years old, it is somewhat unusual for the genitalia to remain significantly smaller than average, especially if he has already entered puberty. However, there are several potential explanations for this observation:
1. Delayed Puberty: Some adolescents experience delayed puberty, which can result in slower development of secondary sexual characteristics. This can be due to various factors, including hormonal imbalances or genetic predispositions. If your child has not shown signs of puberty (such as testicular enlargement or pubic hair growth), it may be worth consulting a healthcare provider for an evaluation.

2. Obesity and Hormonal Influence: As you mentioned, obesity can influence hormonal levels in adolescents. Excess body fat can lead to increased estrogen levels, which may affect the development of male genitalia. In some cases, obesity can lead to a condition known as "gynecomastia," where breast tissue develops in males, which can also be a sign of hormonal imbalance.

3. Genetic Factors: Genetics play a significant role in determining physical characteristics, including the size of the genitalia. If there is a family history of similar concerns, this may provide context for your child's development.

4. Psychological and Social Factors: Adolescents are often sensitive to their body image and may experience anxiety about their development compared to peers. This can impact their self-esteem and mental health. It is crucial to provide emotional support and encourage open communication about these feelings.

Regarding your concern about medical intervention and its potential impact on growth, it is essential to consult with a healthcare professional who specializes in adolescent medicine or urology. They can conduct a thorough evaluation, including physical examinations and possibly hormonal assessments, to determine if there are underlying issues that need to be addressed.
In terms of treatment, if there is a hormonal imbalance or another medical condition contributing to the delayed development, appropriate interventions can be made. However, these should always be guided by a qualified healthcare provider to ensure that they are safe and effective, particularly concerning growth and development.

In conclusion, while your child's genital size may raise concerns, it is crucial to approach this matter with a comprehensive understanding of adolescent development. Consulting with a healthcare professional will provide clarity and guidance on the best course of action, ensuring that your child's physical and emotional well-being is prioritized.

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