Question

puberty does not normally occur in humans under the age of 8 years, because before that age..

Answer 1

the child has not so much devoloped mental ability to hand the problems and the hypothalamus fails to secret GnRH in a pulsatile fashion

Answer 2

Hello buddy..

The reason is

the hypothalamus fails to secrete GnRH in a pulsatile fashion..

Hope it helps you buddy.. :-):-):-):-)