As someone who believes in "choice", if that's the euphemistic term, I will still argue that abortion absolutely involves killing a human being. That is a thing which you once were, given the natural course of events, it would grow into a living, breathing human like you or I. It's not like a sperm or an egg which have no potential until positive action is taken, the deed is done and that's becoming a human if we let it.

Which is Orwell's point, really. Abortion is death. It also is defensible. But because "killing" is hard and difficult to defend, we come up with euphemistic terms so we can stomach it.