Is My 9-Year-Old Son's Penis Growth Normal? - Urology

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Abnormal penile growth?


Hello, my son is currently 9 years old and 134 cm tall.
He underwent a circumcision procedure at a public hospital two years ago, and his penile length has remained the same as before the surgery, approximately 1 to 1.5 cm.
He often dribbles when urinating, which is very inconvenient for him at school.
Is his growth rate normal?

Mrs. Zhang, 30~39 year old female. Ask Date: 2005/06/22

Dr. Zhang Chengye reply Urology


Hello: It is advisable to follow up with the original surgeon for more comprehensive information.
This is a response from Dr.
Chang Cheng-yeh, attending physician of the Urology Department at Hsinchu Hospital, Ministry of Health and Welfare.

Reply Date: 2005/06/22

More Info


When it comes to the growth and development of a 9-year-old boy, particularly regarding genital growth, it's important to understand the typical patterns of puberty and sexual maturation. Generally, boys begin to experience signs of puberty between the ages of 9 and 14, with the average onset around 11 years old. During this time, various physical changes occur, including the growth of the penis and testicles, the development of pubic hair, and changes in voice.

In your case, your son is 9 years old and has undergone a circumcision procedure, which may have some implications for his genital development. The fact that his penis has not grown significantly since the surgery, remaining at a length of approximately 1 to 1.5 cm, raises some concerns. While it is not uncommon for boys to have variations in growth rates, the lack of growth in this area at his age could be indicative of a delay in puberty or other underlying issues.

It is essential to note that the growth of the penis typically begins during the early stages of puberty. If your son has not yet shown any signs of puberty, such as testicular enlargement or the appearance of pubic hair, it may be worth consulting a pediatric endocrinologist or a urologist who specializes in children's health. They can evaluate his growth patterns, assess his hormone levels, and determine whether there are any medical concerns that need to be addressed.

Additionally, the issue of urination and the discomfort it causes at school is also significant. If he is experiencing difficulties with urination, such as dribbling or frequent accidents, this could be related to his anatomical development or other factors. A healthcare professional can provide guidance on whether any interventions are necessary to improve his situation.

In summary, while some variation in growth and development is normal, the lack of growth in your son's penis at age 9, especially after a circumcision, warrants further evaluation. Consulting with a specialist will provide you with a clearer understanding of his growth trajectory and any necessary steps to ensure his healthy development. It is always better to err on the side of caution when it comes to children's health, so seeking professional advice is a prudent course of action.

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