Changes

A female human child is called a [[girl]].  With the commencement of [[menstruation]] a girl becomes a biological [[woman]].

The '''female''' sex refers to that division of a species which produces eggs.  In most mammals, the fertilized eggs, or [[zygote|zygotes]], develop inside the body for the full term and the fetus is expelled to the outside in [[birth]], to be nurtured by [[milk]] produced by [[mammary glands]].  A female human child is called a [[girl]].  With the commencement of [[menstruation]] a girl becomes a biological [[woman]].