Charest interestingly seems to have landed to the right of Poilievre here - also wouldn't restrict abortion, but specifically says he would allow PMB's. Baber took essentially the same stance as Charest, but more forceful about the right of MPs to introduce bills.
We probably won't find out the answer, but I wonder if this is a pragmatic move to reach out to the radical wing of the party, or a reflection of a genuinely held opinion. For all the stereotypes, Quebec can be a pretty socon place: after Henry Morgentaler was awarded the Order of Canada, 7 other recipients returned it in protest, 5 of which were francophone Quebecers.