here to find out your child's BMI (body mass index). This tool
can be used for children ages 2 through 19. Be cautious if you
use this tool or any height and weight charts to assess your
child's growth after he or she reaches puberty. Check with your
doctor if you have questions. This tool uses your child's weight
and height to compare your child's size to that of other boys or
girls of the same age. Not all children are the same. Some are
naturally larger and some are naturally smaller. Your child's
size will be given two numbers—a BMI value and its percentile.
The percentile is the number that ranks your child's size among
other children of the same gender and age. What's most important
is that your child is at the same percentile over time, so it
takes several measurements to assess your child's growth. You
should talk with your doctor if your child suddenly shifts up or
down in percentile. A gradual change from one percentile to
another is probably not a cause for Talk with your doctor if you
are concerne