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Updated and more comprehensive data was later used to revise the existing growth chart and construct the 2000 CDC growth charts. Data used to calculate the CDC's growth chart percentiles was accumulated periodically since the 1960's by the National Health and Nutrition Examination Survey. In order to accommodate for heterogenous populations internationally, the WHO made an effort to gather data from different regions in every continent. The 1977 growth chart was subsequently used by the World Health Organization for dissemination to healthcare systems abroad. The growth chart was first developed by the National Center for Health Statistics (NCHS) in 1977 to clinically analyze child development. 1 History and Revisions to Growth Chart.

Charts from these sources end up with slightly taller but thinner averages. 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.

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It's important to note that other parameters are more commonly used such as waist circumference for assessing obesity and skin fold difference for assessing malnutrition. For instance, endocrine disorders can be associated with a decrease in height velocity and preserved weight velocity while normal growth variants are associated with a decrease in height and weight velocity that are proportional to each other. Parameters used to analyze growth charts include weight velocity (defined as rate of change in weight over time), height velocity (defined as rate of change in stature over time), and whether someone's growth chart crosses percentiles. When a child deviates from his or her previously established growth curve, investigation into the cause is generally warranted. 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. 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 have been constructed by observing the growth of large numbers of healthy children over time. Is My Child Growing Well? Questions and Answers for ParentsВ is a fact sheet designed for parent education.Sample growth chart for use with American boys from birth to age 36 months.ДЄ growth chart is used by pediatricians and other health care providers to follow a child's growth over time.

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A Health ProfessionalвЂ™s Guide to Using Growth ChartsВ outlines how to use and interpret the 2006 WHO Growth Standards and the WHO Growth References 2007 to assess physical growth in infants, children and adolescents.World Health Organization (WHO) Growth Chart Training Program.The 2014 growth charts remain aligned with the recommendations in the 2010В collaborative statement. The charts were redesigned in March 2014 to address concerns of practitioners. Promoting optimal monitoring of child growth in Canada: Using the new WHO growth chartsВ was developed collaboratively by the Dietitians of Canada, Canadian Paediatric Society, College of Family Physicians of Canada and Community Health Nurses of Canada.В The statement advocatesВ consistent practices in monitoring growth and assessing patterns of linear growth and weight gain in infants, children and adolescents to support healthy child growth and development. WHO Growth Charts Promoting optimal monitoring of child growth in Canada: Using the WHO growth charts

Age progression chart