That actually was't true until the post-civil war era; and even then most statutes differentiated between early-term and late-term abortions.
But even if that were true, the law once made a distinction that allowed you to own an African. The exact procedure by which some evil bag of garbage in a black robe determines it should be legal to rip a small child limb from limb has no more bearing on this discussion than the evil that allowed people to employ Africans as automatic cotton-harvesting machines.