Life stage	Growth velocity per year
In utero	60 to 100 cm (24 to 40 in)
First year	23 to 27 cm (9 to 11 in)
Second year	10 to 14 cm (4 to 6 in)
Fourth year	6 to 7 cm (2 to 3 in)
Prepubertal nadir	5 to 5.5 cm (2 to 2.2 in)
Pubertal growth spurt	Girls: 8 to 12 cm (3 to 5 in)
	Boys: 10 to 14 cm (4 to 6 in)