What aeilkema said.

I really don't know what is so hard about looking into an anatomy book and/or at a couple of photographs first before you model something.

Here are two examples of the kind of realistic 3D children I think DAZ would be perfectely capable of making if only they wanted:

http://www.renderosity.com/mod/gallery/index.php?image_id=961720&username=neftis&member&np

http://www.cgarena.com/freestuff/tutorials/max/young-girl/girl.html