The short answer is "no".
This genius consciously dismisses the important difference between "natural" and artificial. That is the essence of the difference; there is no active, conscious abortificent employed by the mother.
This is an extremely lame attempt at justification for late term abortion...
Is it not just as callous to organise your sex life to make it harder for a fertilised egg to survive, using this method, as it is to use the coil or the morning after pill, he asks?
People organize their sex lives? Sheesh where's the fun in that?