Growth chart

  A growth chart is used by pediatricians and other health care providers to follow a child's growth over time. Growth charts have been constructed by observing the growth of large numbers of normal children over time. The height, weight, and head circumference of a child can be compared to the expected parameters of children of the same age and sex to determine whether the child is growing appropriately. Growth charts can also be used to predict the expected adult height and weight of a child because, in general, children maintain a fairly constant growth curve. When a child deviates from his or her previously established growth curve, investigation into the cause is generally warranted. For instance, a decrease in the growth velocity may indicate the onset of a chronic illness such as inflammatory bowel disease.

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Growth charts can also be compiled with a portion of the population deemed to have been raised in more or less ideal environments, such as nutrition that conforms to pediatric guidelines, and no maternal smoking. Charts from these sources end up with slightly taller but thinner averages [[1]].

Growth charts are different for boys and girls, due in part to pubertal differences and disparity in final adult height. In addition, children with diseases such as Down syndrome and Turner syndrome follow distinct growth curves which deviate significantly from normal children. As such, growth charts have been created to describe the expected growth patterns of several genetic diseases.

Links

http://www.who.int/childgrowth/en/

References

CDC information on growth charts

WHO information on growth charts