I think the direction that science is going is that the distinction between person/not-a-person is nonbinary but a spectrum, with a fertilized egg rating only a

I think the direction that science is going is that the distinction between person/not-a-person is nonbinary but a spectrum, with a fertilized egg rating only a tick above bacteria on the scale, and a newborn close to the top (but not as much a person as a fully formed adult). We've been debating and will continue to debate the threshold at which we're okay with deeming a fetus not a person - I'm not sure that's a debate that will ever end.