Then try this:
The Rarity of Pregnancies Resulting from Rape and Incest
http://www.hli.org/index.php/cloning/266?task=view
It begins at halfway down the page —
If that is what he’d said and stopped at that it would have been fine. But then he launched into this weird theory about stress and hormones trying to explain why it’s so rare. That is what was so way out of bounds. The physiology of rape is completely irrelevant to the discussion.