CDC Growth Charts information:
http://www.cdc.gov/growthcharts/charts.htm
The following notes are taken from: Height Measurement in Children
Exam: Normal Height increases per year (Linear Growth Velocity)
- Birth length …. Average: birth length: 20 inches (50 cm) …. Length doubles by age 4 years … Length triples by age 13 years
- First year growth: 9-11 inches (23-27 cm)
- Second year growth: 4-6 inches (10-14 cm)
- Third year growth: 3-4 inches (7.5 – 10 cm)
- Annual growth until Puberty: 2-3 inches (6-7 cm)
- Prepuberty growth: 2 inches (5 cm)
- Pubertal growth … Boys: 4-6 inches (10-14 cm) … Girls: 3-5 inches (8-12 cm)
Normal Heights for boys (range: 3% to 97%)
- Age 1 year: 28-32 inches, mean: 76 cm (30 in)
- Age 2 years: 33-37 inches, mean: 88 cm (35 in)
- Age 3 years: 36-41 inches, mean: 95 cm (38 in)
- Age 4 years: 38-44 inches, mean: 103 cm (41 in) 4yo Adam
- Age 5 years: 40-47 inches, mean: 110 cm (44 in)
- Age 6 years: 43-50 inches, mean: 116 cm (46 in)
- Age 7 years: 45-53 inches, mean: 121 cm (48 in)
- Age 8 years: 47-55 inches, mean: 127 cm (51 in) L7 Adam (8)
- Age 9 years: 49-57 inches, mean: 132 cm (53 in)
- Age 10 years: 51-59 inches, mean: 137 cm (55 in) L7 John, L7 Ludwig
- Age 11 years: 53-61 inches, mean: 143 cm (57 in) L7 Frederic
- Age 12 years: 54-64 inches, mean: 150 cm (60 in) L7 Thomas
- Age 13 years: 56-67 inches, mean: 156 cm (62 in) L7 Ari
- Age 14 years: 57-70 inches, mean: 163 cm (65 in)
- Age 15 years: 60-72 inches, mean: 169 cm (68 in)
- Age 16 years: 62-73 inches, mean: 173 cm (69 in)
- Age 17 years: 63-74 inches, mean: 68 inches
Age 18 years: 177 cm (71 in)
Normal Height for Girls (range: 3% to 97%)
- Birth: 18.5-21.1 inches, mean: 50 cm (20 in)
- Age 1 years: 27-31 inches, mean: 73 cm (29 in)
- Age 2 years: 32-37 inches, mean: 85 cm (34 in)
- Age 3 years: 35-40 inches, mean: 95 cm (38 in)
- Age 4 years: 38-44 inches, mean: 103 cm (41 in)
- Age 5 years: 40-47 inches, mean: 108 cm (43 in)
- Age 6 years: 43-49 inches, mean: 115 cm (46 in)
- Age 7 years: 45-52 inches, mean: 120 cm (48 in)
- Age 8 years: 47-54 inches, mean: 125 cm (50 in)
- Age 9 years: 49-56 inches, mean: 130 cm (50.5 in) L7 Ayn
- Age 10 years: 50-59 inches, mean: 138 cm (55 in)
- Age 11 years: 52-62 inches, mean: 143 cm (57 in)
- Age 12 years: 54-65 inches, mean: 150 cm (60 in)
- Age 13 years: 57-66 inches, mean: 155 cm (62 in)
- Age 14 years: 58-67 inches, mean: 158 cm (63 in)
- Age 15 years: 59-68 inches, mean: 158 cm (63 in)
- Age 16 years: 59-68 inches, mean: 159 cm (64 in)
- Age 17 years: 60-68 inches, mean: 160 cm (64 in)
Placing 9 year old L7 Ayn on the chart
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