Only in the belief systems of a few religious sects. As per the LAW, they are not, and like it or not, that's not going to change. In any case, while an argument can be made for a FETUS, as it at least has the POTENTIAL to become human, one of these embryos does not even have THAT going for it.
They are never going to be born. Period. Thus, there is no claim to humanity, not even a tenuous one.