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Bmi Calculator Child And Teens Normal

BMI Formula:

\[ BMI = \frac{weight\ (kg)}{[height\ (m)]^2} \]

kg
meters
years (2-19)

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1. What is BMI for Children and Teens?

BMI (Body Mass Index) is a screening tool for weight categories in children and teens aged 2-19 years. For children, BMI is age- and sex-specific and is often referred to as BMI-for-age.

2. How Does the Calculator Work?

The calculator uses the standard BMI formula:

\[ BMI = \frac{weight\ (kg)}{[height\ (m)]^2} \]

Where:

Interpretation: The result is compared against CDC growth charts to determine the weight status percentile for children of the same age and sex.

3. Importance of BMI Calculation

Details: BMI-for-age is the recommended indicator for screening overweight and obesity in children and teens. It helps identify potential weight problems that may lead to health issues.

4. Using the Calculator

Tips: Enter weight in kilograms, height in meters, and exact age (2-19 years). For accurate results, measurements should be taken with minimal clothing and no shoes.

5. Frequently Asked Questions (FAQ)

Q1: What is considered a normal BMI for children?
A: A BMI between the 5th and 85th percentiles on the CDC growth chart is considered normal weight for age and sex.

Q2: Why is BMI interpreted differently for children?
A: Children's body composition varies as they grow, and between boys and girls. BMI-for-age accounts for these differences.

Q3: How often should children's BMI be checked?
A: The American Academy of Pediatrics recommends BMI screening annually starting at age 2.

Q4: What if my child's BMI is high?
A: Consult a healthcare provider. They may assess other factors like growth pattern, family history, and diet.

Q5: Are there limitations to BMI for children?
A: BMI doesn't distinguish between muscle and fat, so athletic children may have high BMI without excess fat.

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