How the volume of a head on months should increase or be enlarged?...

[Olga]

How the volume of a head on months should increase or be enlarged?

[Simernitskij B.P.]

On the first to year of a life of the child the fastest rate of body height a circle of its or his head which increases on the average or is on the average enlarged on 1 in a month (if at a birth 36 in 1 year - 48) takes place.