Average head circumference at bih is ?
O.P. Ghai 9th ed, page 14 Beginning at 34 cm at bih, the head circumference increases approximately 2 cm per month for first 3 months, 1 cm per month from 3-6 months and 0.5 cm per month for rhe rest of the first year of life.
35 cm
40 cm
45 cm
50 cm
General anatomy