Growth Concerns in Middle School Children: When to Seek Help - Pediatrics

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Regarding my youngest son in the first year of junior high school?


Hello! I have three children.
The oldest is in the second year of junior high school, and the second is in the first year.
The oldest started developing in the first year of junior high, but the second has not started yet and is currently only 138 cm tall and weighs 37 kg, while the oldest is nearly 160 cm tall.
Is this growth situation a bit slow? A friend suggested that I take my younger son to the hospital to check if his growth hormone levels are sufficient.
If I need to make an appointment, which department should I see first?

KK, 40~49 year old female. Ask Date: 2009/12/20

Dr. Xiao Kaiwen reply Pediatrics


A 138 cm tall boy in the first year of junior high school is approximately at the 5th percentile on the growth curve, meaning he ranks among the lowest 5 out of 100 boys of the same age.
This meets the criteria for further evaluation.
Short stature may not solely be due to growth hormone deficiency; there are many other potential causes, including normal variations due to genetic inheritance.
An appointment can be made with a pediatric endocrinology specialist (some hospitals refer to this as the pediatric growth and development department) for assessment.

Reply Date: 2009/12/20

More Info


When it comes to understanding growth concerns in middle school children, it's essential to recognize that growth patterns can vary significantly among children, especially during the pre-adolescent and adolescent years. The differences in growth rates and physical development can be influenced by various factors, including genetics, nutrition, and overall health.
In your case, you mentioned that your older child has already started developing and has reached a height of nearly 160 cm, while your younger child, who is in the first year of middle school, is only 138 cm tall and has not yet begun to show signs of puberty. This disparity can understandably raise concerns about whether your younger child is growing at an appropriate rate.

Typically, children experience growth spurts during puberty, which can start as early as age 9 for girls and around age 11 for boys, but it can vary widely. Boys often experience their growth spurts later than girls, sometimes not until they are 13 or 14 years old. Therefore, while your younger son’s height may seem below average for his age, it is crucial to consider his growth pattern over time rather than a single measurement.
The Centers for Disease Control and Prevention (CDC) provides growth charts that can help you assess whether your child's growth is within a normal range for their age and sex. If your son has consistently been at the lower end of the growth chart, it may warrant further investigation.

Your friend’s suggestion to check for growth hormone levels is a reasonable step if there are concerns about your son's growth. Growth hormone deficiency can lead to slower growth rates, and it is essential to rule out any underlying medical conditions that may be affecting his growth.
To seek help, you should consider visiting a pediatric endocrinologist, a specialist who focuses on growth and hormonal issues in children. When you make an appointment, you may need to provide your child's growth history, including height and weight measurements over time, as well as any other relevant medical history. The endocrinologist may conduct a physical examination and may order blood tests, including tests for growth hormone levels, to assess your child's growth potential.

In addition to medical evaluations, it is also important to ensure that your child is receiving proper nutrition and engaging in regular physical activity, as these factors can significantly influence growth and development. A balanced diet rich in vitamins and minerals, particularly calcium and vitamin D, is crucial for healthy bone growth.

If any underlying issues are identified, the pediatric endocrinologist will discuss potential treatment options, which may include growth hormone therapy if a deficiency is diagnosed. However, it is essential to approach this with a comprehensive understanding of your child's overall health and development.

In summary, while your younger son's growth may seem slow compared to his older sibling, it is essential to consider his growth pattern over time and consult with a pediatric endocrinologist to evaluate any potential concerns. Early intervention can be beneficial if any growth issues are identified, and addressing these concerns can help ensure that your child reaches their full growth potential.

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