depends.
If you SINCERELY believe in the rghts and welfare of the little baby foetus, and sincerely believe it needs to be treated as a living breathing human, then the method of conception doesn't matter, and rape babies are exactly the same as babies concieved in love.
If, on the other hand, you think that pregnancy and parenthood should be used as punishment for having sex, and as a tool to scare people into chastity, it is likely you will only want to stop abortions among people who conceived during a consensual sex act. Such people invariably say that abortion should be allowed in cases of rape and incest.
It is then interesting to find out the exact stance of the major "right to life" groups. If they would allow abortion in cases of rape, that is a de facto admission that it isn't abortion they really want to restrict, but rather the sexual freedom of other people.