Average Height and Weight of Three-Year-Olds

Twin blowing bubbles at brother in park Two three-year-old boys playing with bubbles in the park.

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altrendo images/Stockbyte/Getty Images To determine whether a child is growing at a healthy pace in both height and slant, many pediatricians and child care providers consult widely available growth charts for comparison with other children. These charts reveal a range of convention heights and weights for both boys and girls. three-year-old girls range from 35 to 40 inches in acme and 25.5 to 38.5 pounds in weight. For boys, the range is 35.5 to 40.5 inches in height and 27 to 38.5 pounds in weight unit .
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Creating Comparisons

All children grow at different rates. Growth rates depend on many individual aspects of a child ‘s liveliness including both genetic and environmental factors. To help determine whether a child is growing at an average rate in both altitude and burden, pediatricians refer to increase charts that graph a range of heights and weights for children at a particular senesce. This data informs the baby doctor how a child compares to other kids her age .

Home On the Range

Using growth charts, it is easy to see that the normal altitude and weight ranges for 3-year-old girls and boys are exchangeable. Girls range from 35 to 40 inches in height, and boys are on average a one-half inch grandiloquent. Girls have a slant crop of 25.5 to 38.5 pounds and boys range from 27 to 38.5 pounds. These ranges are quite wide, however, and it is unmanageable to determine whether a child is growing at a normal rate by looking only at a single point in clock time .

A Curious Curve

To accurately measure whether a 3-year-old is growing appropriately, you can plot her monthly height and weight for the year leading up to three years. A normally growing child will typically follow the curves of the height-weight chart, though during spurts and lulls her altitude and weight might jump on the chart slenderly. bombastic drops in either stature or weight growth can be alarming, however, and you should discuss them with your baby doctor .

What is Normal?

After comparing a child ‘s height and slant to what is called convention on a height and slant graph, many people are tempted to say a child is not normal. vitamin a retentive as a child is growing at a regular rate, his position in the acme and slant range is not crucial. Measurements falling anywhere in the ranges is considered normal, adenine long as rates are regular .

Body Mass

In summation to height and burden charts, pediatricians and parents may besides use the Body Mass Index ( BMI ) range chart for both boys and girls. BMI is a calculation that incorporates both a child ‘s acme and weight into one measurement. According to the Centers for Disease Control ‘s measurements for the year 2000, the normal BMI crop for a three-year-old girl is 14 to 18.2, and for boys the range is 14.4 to 18.2 .

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