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Glossary

What is BMI percentile?

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BMI percentile

BMI percentile shows how a child or teen's BMI compares with others of the same age and sex, and is used instead of adult BMI cutoffs for ages 2 to 19.

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In plain words

Children's body fat changes as they grow and differs between boys and girls, so the same BMI number can mean different things at age 8 and…

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Why it matters

Teen eligibility for weight-management medicines is based on BMI percentile, not the adult BMI cutoffs.

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BMI percentile shows how a child or teen's BMI compares with others of the same age and sex, and is used instead of adult BMI cutoffs for ages 2 to 19.

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