Do you accept or dismiss information depending upon your emotional reaction to it? Brian D. Earp writes at Oxford’s Practical Ethics blog:
Should abortions be allowed in the case of rape? Republican Todd Akin—running for the U.S. Senate from the state of Missouri—thinks not. His reasoning is as follows:
From what I understand from doctors, [pregnancy resulting from rape is] really rare. If it’s a legitimate rape, the female body has ways to try to shut that whole thing down. But let’s assume that maybe that didn’t work or something. I think there should be some punishment. But the punishment ought to be of the rapist, and not attacking the child.
There appears to be no scientific basis for the claim that the trauma of forced intercourse can interrupt ovulation or in any other way prevent a pregnancy; indeed pregnancy is just as likely after rape as after consensual sex, according to the evidence I have seen.