The detail that is often lacking here is that people have faces, voices, birth dates, memories, recognition of others, explicit aspirations, all sorts of things that unborn human beings and various nonhuman animal life do not have.

Placing the fetus in a category of "prospective human" would probably go a long way. The difference between a prospective human and an actual human is why one person's bodily autonomy trumps the right of a fetus to develop.