most average height of a newborn
Normal Height for Girls (range: 3% to 97%) 1  Birth: 18.5-21.1 inches, mean: 50 cm (20 in) 2  Age 1 years: 27-31 inches, mean: 73 cm (29 in) 3  Age 2 years: 32-37 inches, mean: 85 cm (34 in)  Age 3 years: 35-40 inches, mean: 95 cm (38 in)