This internet site presents growth reference knowledge for kids and adolescents, 5-19 years (or 61-228 months). The United Nations agency Reference 2007 may be a reconstruction of the 1977 National Center for Health Statistics (NCHS)/WHO reference. It uses the first NCHS knowledge set supplemented with knowledge from the United Nations agency kid growth standards sample for under-fives. To develop this reference a similar applied math methodology was used as within the construction of the United Nations agency standards. This reference complements the WHO child growth standards for 0-60 months published in April 2006 (see link on right column).
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