This growth chart shows the Body Mass Index-for-age percentiles for boys aged 2 to 20 years. The chart was developed by the National Center for Health Statistics in collaboration with the National Center for Chronic Disease Prevention and Health Promotion. The 5th, 10th, 25th, 50th, 75th, 85th, 90th, and 95th percentiles for Body Mass Index (BMI) are plotted for each year of age, from 2 to 20 years. The percentiles all show a general trend of increasing BMI with increasing age.
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