Well if you're going to use the lens of AF/BB... Perhaps the woman thought she could lock down the BB with a pregnancy and thought even if she couldn't she coul

Well if you're going to use the lens of AF/BB... Perhaps the woman thought she could lock down the BB with a pregnancy and thought even if she couldn't she could still go it alone....the father could be "AF" or "BB". So I don't think it's to do with AF/BB.