Bih length doubles by what age?
Bih length doubles by 4- 4 1/2 yrs of age Age Bih 1 year 2 year 4 year 12 year Height 50 cm 75 cm 90 cm 100 cm 150 cm Length of child increases by 50% in 1st year.
1 year
2 years
3 years
4 years
Growth