Height issues
Hello Doctor: I am currently in the second year of junior high school, with a height of 152 cm.
My father is 175 cm and my mother is 163 cm.
I just started my menstrual period this September.
I previously had a bone age assessment that indicated I am about a year behind my peers, but that was quite some time ago.
I would like to know if I can still grow taller.
Also, I tend to stay up late; what time would be better for me to go to sleep, considering I have a busy schedule? Additionally, I weigh 47 kg; would that be considered overweight? My classmates sometimes say I am fat.
Is it okay if I eat a little less? Thank you.
Shan Shan, 10~19 year old female. Ask Date: 2020/11/29
Dr. Xiao Kaiwen reply Pediatrics
Generally, girls stop growing about two to three years after the onset of menstruation, so you still have a chance to grow taller.
The period from 11 PM to 1 AM is when growth hormone secretion is at its peak, making the optimal sleep time from 10 PM to 7:30 AM.
In addition to sleep, regular appropriate exercise and sun exposure can also contribute to height increase.
Your body mass index is not at an overweight level; for your height, a weight of about 52 kilograms or more would be considered overweight.
Reply Date: 2020/11/29
More Info
Determining whether you can still grow taller involves several factors, including your age, family genetics, and overall health. At 14 years old, you are still within the age range where growth is possible, especially since you have just started menstruating. This is typically a sign that your body is entering a phase of development where growth spurts can occur, although they may not be as pronounced as during earlier years.
From the information you've provided, your height of 152 cm and your parents' heights (father at 175 cm and mother at 163 cm) suggest that you may have the potential to grow taller, especially since your bone age is reportedly a year behind your chronological age. This means that your growth plates may still be open, allowing for further height increase. It’s important to note that growth plates, which are areas of developing cartilage tissue at the ends of long bones, typically close after puberty, so monitoring your growth and bone age is crucial.
Regarding sleep, it is essential for growth and overall health. The recommended amount of sleep for teenagers is about 8 to 10 hours per night. If you have a busy schedule, try to prioritize sleep as much as possible. Going to bed earlier can help ensure you get enough rest, which is vital for growth hormone production. Growth hormone is primarily released during sleep, particularly in deep sleep stages, so maintaining a consistent sleep schedule can be beneficial.
As for your weight, at 47 kg and a height of 152 cm, your Body Mass Index (BMI) is approximately 20.3, which falls within the normal range. It’s important to focus on how you feel rather than solely on what others say. If you are active and healthy, that is what truly matters. If you are considering eating less to lose weight, it’s crucial to do so in a healthy manner. Instead of drastically reducing your food intake, aim for a balanced diet that includes a variety of nutrients. This will support your growth and overall health.
In terms of exercise, engaging in physical activities can stimulate growth hormone release and help you maintain a healthy weight. Activities like swimming, basketball, and even stretching exercises can be beneficial. However, avoid excessive exercise, as it can lead to fatigue and may negatively impact your growth.
If you have concerns about your growth or weight, it may be helpful to consult with a healthcare professional, such as a pediatrician or a nutritionist. They can provide personalized advice based on your health history and current status.
In summary, you still have the potential to grow taller, especially since you are at an age where growth is still possible. Prioritize sleep, maintain a balanced diet, engage in regular physical activity, and consult with a healthcare professional if you have specific concerns. Remember, everyone's growth pattern is unique, and focusing on your overall health and well-being is the most important aspect.
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