http://www.child-growth-charts.com/heightforage.html
The World Health Organization is launching new global Child Growth Standards for infants and children up to the age of five.
With these new WHO Child Growth Standards it is now possible to show how children should grow. They demonstrate for the first time ever that children born in different regions of the world and given the optimum start in life, have the potential to grow and develop to within the same range of height and weight for age.
The WHO Child Growth Standards will be widely used as a tool in public health, medicine and by governmental and health organizations for monitoring the wek-ebeing of children and for detecting children or populations not growing properly or unc-^ or overweight and may require specific medical or public health responses. Normal growth is an essential expression of health and a way to measure efforts designed to reduce child mortality and disease. The new charts therefore provide a simple tool to assess the effectiveness of such efforts.
The WHO Child Growth Standards go beyond the current references. They allow important growth measurements, such as body weight and length/height of infants and children to be assessed against a standard optimum value. There are charts for boys and for girls, and for infants to one year, and for children up to five years.
These measurements are important indicators of health and help determine whether a child or a population of children is healthy and growing well. For example, children who are short for their age (below the red line on the length/height chart) or underweight (below the red line on the weight chart) indicate that their health may be compromised - the further from the red lines, the more indicative of a health problem. In clinical practice, these measurements help with early diagnosis of illness and help monitor progress during treatment.
http://www.child-growth-charts.com/heightforage.html