I'm pretty sure all states' abortion laws include exemptions for rape/incest, medically necessary situations (ie, ectopic pregnancies).

As for the "disabled" part, how screwed would we be if Stephen Hawkings's parents had said, "Oh no! ALS? Yeah, might as well just hit the delete key now. Save everyone the hassle that's just going to end up in pain and misery."

And if you just want to off a child or you were hoping for a kid with green eyes, there's still like 16 states you can choose from to find a nice hospital with a credentialed physician to help you slake your thirst for innocent life all the way up to the 3rd trimester.