If anything at all comes into existence at conception it is our labels, or words we use as tools to provide us with handles for grappling with an elusive reality.
What does this leave us? A world without beginnings! The extinction of the spark of life! This seems a heartless prospect. This knowledge of beginnings is not spiritual, and may leave your heart ashen; but mark my words: it is the highest of all! I beg you consider that Nature is not entirely undeserving of respect.
Yes, respect for Nature is something we know little of. And it saddens me to have to say that we people . . . are believers in magic! The demon of superstition abounds within our hearts and minds. We have presupposed that a "self", some abstract phenomena we have never satisfactorily defined, does exist and has come into existence. Then we clever people amuse ourselves conjuring up events of "creation" to explain it all, wrongly and unnecessarily piling rubbish on top of what already exists in all its perfection.
The belief that life is created at conception, or at any point in time for that matter, is just as deluded and as wretched as the Christian belief in creation. It is a belief that something can be created out of nothing. Such thinking is positively hateful of reason and is typical of the scoundrels we humans are. We are not slow to disparage others when they throw reason to the winds. And we heap scorn upon those unfortunate fundamentalist religionists, when all the time, we, hypocrites to the core, harbour the deepest evil - blind faith in self-existence.