Early Puberty in Boys: Concerns and Next Steps - Pediatrics

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Development in Fifth Graders


Hello, Doctor: My son, who is in fifth grade, seems to have started developing.
He has a slight Adam's apple, his voice is a bit hoarse and deep, and he has even started to grow some fine pubic hair.
Is it too early for a fifth-grade boy to be developing? Is it true, as some say, that developing too quickly can affect his height? Should we see a pediatric endocrinologist? If so, how can we make an appointment? Is it only by referral? Thank you for your response amidst your busy schedule.

LL, 30~39 year old female. Ask Date: 2008/12/16

Dr. Xie Degui reply Pediatrics


Precocious puberty is defined as the onset of secondary sexual characteristics in boys before the age of nine.
With improved nutrition compared to the past, many individuals are experiencing the development of secondary sexual traits at an earlier age.
It is important to pay attention to nutritional intake.

Reply Date: 2008/12/16

More Info


Understanding early puberty in boys can be a source of concern for many parents, especially when they notice physical changes that seem to be occurring earlier than expected. In your case, your son, who is in the fifth grade, is showing signs of early puberty, such as a slight Adam's apple, a deeper voice, and the development of pubic hair. These changes can understandably raise questions about whether this is normal and what steps you should take next.

First, it is important to recognize that the onset of puberty in boys typically occurs between the ages of 9 and 14. However, some boys may begin to show signs of puberty earlier, which is referred to as precocious puberty. Precocious puberty is defined as the onset of secondary sexual characteristics before the age of 9 in boys. While early puberty can be concerning, it is not always a cause for alarm. In many cases, it can be a variation of normal development.

One common concern among parents is whether early puberty will affect their child's final height. The growth plates in bones close after puberty, and if puberty starts too early, it can lead to a shorter adult height. However, this is not a guaranteed outcome, and many boys who experience early puberty still grow to a normal height. The key factor is how long the growth plates remain open, which can be influenced by various factors, including genetics and overall health.

If you are worried about your son's early development, it may be beneficial to consult a pediatric endocrinologist. This specialist can evaluate your son to determine if his development is within the normal range or if there are underlying hormonal issues that need to be addressed. The evaluation may include a physical examination, a review of his growth patterns, and possibly blood tests to check hormone levels.

To make an appointment with a pediatric endocrinologist, you typically need a referral from your child's primary care physician. They can provide you with the necessary paperwork and help you navigate the process of scheduling an appointment. In many cases, pediatric endocrinologists work by appointment only, so it is advisable to call ahead and inquire about the availability of consultations.

In the meantime, it is essential to support your son emotionally as he navigates these changes. Puberty can be a confusing time for children, and they may have questions or concerns about their bodies and what is happening to them. Open communication is crucial; encourage him to express his feelings and reassure him that these changes are a normal part of growing up.

In summary, while your son's early signs of puberty may be concerning, they can also be within the normal range of development. Consulting with a pediatric endocrinologist can provide clarity and peace of mind. Remember to support your son through this transitional phase, as it can be a challenging time for him. If you have further questions or concerns, do not hesitate to reach out to healthcare professionals who can provide guidance tailored to your son's specific situation.

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