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Growth Rates by Age | ||
1-6 months | 18-22 cm/yr | |
6-12 months Endocrinologic Disorders, Abnormalities of Linear Growth, Tall Stature, Short Stature | 14-18 cm/yr | |
1 yr | 11 cm/yr | |
2 yrs | 8 cm/yr | |
3 yrs | 7 cm/yr | |
4-puberty | 5-6 cm/yr |
B. Between 2 years of age and the onset of puberty, children maintain the same percentile on growth curve. A growth rate of growth less than 5 cm/yr after age 3 years, requires further assessment.
C. Deviations from the normal pattern endocrinologic disorders, abnormalities of linear growth can be caused by to wide variety of endocrine and non-endocrine disorders. Tall stature, short stature, midget, short, slow growth
II. Short Stature
A. Defined as height below the third endocrinologic disorders, abnormalities of linear growth, tall stature, short stature, midget, short height percentile (<1.88 SD) for age and sex. The pattern of growth, rather than absolute position on growth curve, is the most critical factor.
Epidemiology of Short Stature | |
Normal variants (Familial/constitutional) | 80% |
Medical endocrinologic disorders, abnormalities of linear growth, tall stature, short stature, midget, short height causes |