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ADOLESCENT MEDICINE :: Adolescent Growth and Development

Normal Growth

What is considered a normal growth rate?

Growth not only involves length and weight of a body, but also includes internal growth and development. A child's brain will grow the most during the first five years of life, reaching 90 percent of its final size. Growth also affects different parts of the body at different rates; the head reaches almost its entire size by age 1. Throughout childhood, a child's body becomes more proportional to other parts of his/her body. Growth is complete between the ages of 16 and 18, at which time the growing ends of bones fuse.

Normal growth is categorized in a range used by pediatricians to gauge how a child is growing. The following are some average ranges of weight and height, based on growth charts developed by the Centers for Disease Control and Prevention (CDC):

Age Height - Females
(in inches)
Height - Males
(in inches)
Weight - Females
(in pounds)
Weight - Males
(in pounds)
1 27 to 31 28 to 32 15 to 20 17 to 21
2 31.5 to 36 32 to 37 22 to 32 24 to 34
3 34.5 to 40 35.5 to 40.5 26 to 38 26 to 38
4 37 to 42.5 37.5 to 43 28 to 44 30 to 44
6 42 to 49 42 to 49 36 to 60 36 to 60
8 47 to 54 47 to 54 44 to 80 46 to 78
10 50 to 59 50.5 to 59 54 to 106 54 to 102
12 55 to 64 54 to 63.5 68 to 136 66 to 130
14 59 to 67.5 59 to 69.5 84 to 160 84 to 160
16 60 to 68 63 to 73 94 to 172 104 to 186
18 60 to 68.5 65 to 74 100 to 178 116 to 202

Although a child may be growing, his/her growth pattern may deviate from the normal. Ultimately, the child should grow to normal height by adulthood. If you suspect your child or adolescent is not growing properly, always consult your child's physician.

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Online Resources of Adolescent Medicine

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It is important to remember the health information found on this website is for reference only not intended to replace the advice and guidance of your healthcare provider. Always seek the advice of your physician with any questions you may have regarding a medical condition. If you think you may have a medical emergency, call your physician or 911 immediately.
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