The logic of aborting after rape is that the circumstances of conception are horrific. And that the family would always be reminded of the rape, by the very presence of that child in their lives.
That’s the logic anyway.
Bad logic. If the presence of the child in their lives is painful, then why not give the child up for adoption? There are many loving, caring couples who are incapable of having children of their own who would love to adopt such a child. It would be a positive for all involved, especially the child who actually gets to have a life instead of being murdered.