Human life begins at conception.
Sort of true. Human life begins when a man and a woman come together. Followed by the sperm penetrating and fertilizing the egg. It's at this point that half the people think it's no different than the mother carrying it, and the other half that say it's still in the developmental phase so it's not regarded the same (which is biblical according to Exodus).
Pro-life argument: If it's not a human being, then what is it? A ferrit?!
Pro-choice argument: No one is saying it's a ferrit, but the life is not on the same level of the woman carrying it according to Exodus.
Pro-life argument: No! It's a human being right at conception even though the bible doesn't say this explicitly. It's implicit!
Pro-choice argument: No! The next step is for the fetus to finish developing and to be birthed for it to be on the same level of the woman.
Pro-life argument: No way, it's a child of God!
Pro-choice argument: Potentially, you mean...