Are you my baby?

The question of who, in law, is or are the parent(s) of the child born is, as a moment's reflection will make obvious, a question of the most fundamental gravity and importance. What, after all, to any child, to any parent, never mind to future generations and indeed to society at large, can be more important emotionally, psychologically, socially and legally than the answer to the question; Who is my parent? Is this my child?"