ISIS fighters routinely force their captives to take birth control pills or injection contraceptives before raping them, and if they are already pregnant, sometimes force them to have abortions.
Remember when Floyd Corkins entered the offices of the Family Research Council, a conservative Christian organization, with a gun and 15 Chick-fil-A sandwiches?
Despite many past arguments against abolitionists, and many present arguments against pro-lifers, the fact is that slavery is barbaric, and abortion is barbaric, and both should be illegal.
Lewis did not talk much about abortion. This is not really surprising, since he lived in a time when the abortion debate was far less prominent than it is today.