I think it is akin to refusing service at restaurants to obese persons.
As for the right to abortion, it is, and should always be, the woman's choice. Until modern science can figure out a way to transfer a fetus into another human or other means of gestation, then the woman should have complete and utter say over what happens to or goes on inside her own body.
Let us concern ourselves with the sick, the starving, and the woefully under educated children before we rally around those who have yet to set foot upon this Earth.