Precisely. This is a religious question and is therefore beyond the scope of the US Government to define.
What we have scientific proof of is that all mammalian life begins at fertilization.
Yep. It's right up there with proof of evolution.
Or did you just decide that Man really is nothing more than an animal?
Stupid straw man and a complete non-sequitor.
I can and do practice medicine based on evidence derived from verifiable, repeatable experiments. We can go anywhere in the world and find the same reaction to the same medications.
Again, what is implanted? Do the techs in either the in vitro lab or the embryonic stem cell lab just scoop up all the material in the petri dishes and hope they got a “live one?”