A 15-year-old girl is considered overweight if her Body Mass Index (BMI) is at or above the 85th percentile but less than the 95th percentile for her age and gender.
Here's a breakdown of how BMI is used to define weight categories for teens:
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Body Mass Index (BMI): BMI is a calculation that uses height and weight to estimate body fat. It's a useful screening tool, but it doesn't directly measure body fat.
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Why Percentiles? Because children and teens are still growing, BMI is interpreted differently than it is for adults. A child's BMI is compared to the BMIs of other children of the same age and gender. This comparison is expressed as a percentile.
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Weight Categories based on BMI Percentiles:
- Underweight: BMI below the 5th percentile.
- Healthy Weight: BMI equal to or greater than the 5th percentile and less than the 85th percentile.
- Overweight: BMI at or above the 85th percentile but less than the 95th percentile.
- Obese: BMI at or above the 95th percentile.
Important Considerations:
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Individual Variation: BMI is just one factor in assessing a teen's health. A healthcare provider will consider other factors, such as family history, activity level, and overall health, to determine if a teen's weight is healthy.
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Consult a Healthcare Professional: It is crucial to consult a doctor or other healthcare professional for an accurate assessment of a teen's weight status and to discuss any concerns about their health. They can provide personalized advice and guidance. You can calculate BMI using online calculators or by consulting a doctor.
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Focus on Healthy Habits: Regardless of BMI, encouraging healthy eating habits and regular physical activity is important for all teens.