Paul Ryan says, flat out, that "the method of conception doesn't change the definition of life." Therefore, rape is just another method of conception. Therefore, a woman should not be allowed to have an abortion if she's raped, nor should a young girl be allowed to have an abortion if she's impregnated by her father—no exceptions for rape or incest.
He goes on to stress that the president (Romney, if things go well for him) makes the policy, but imagine having this guy a heartbeat away from the presidency? This is a man who would have no qualms about slapping his Bible and saying, "Congratulations on your impending motherhood!" to a pregnant teenager who was raped.