Barbas is a large gray hunting dog found along the road outside Falkreath. He is Clavicus Vile's companion, a supernatural creature that usually takes the form of a dog. Barbas cannot be harmed during the course of gameplay, except by the Rueful Axe.
Um if sex can't cause a miscarriage neither can masturbation. I mean your not sticking a coat hanger or razor blades up there... I'm sorry about your miscarriage and get you're grasping at straws but you didn't do anything to cause it and if you're going to have one now there's not anything you can do to prevent it.
There really is scientific evidence that masturbation can cause increased testosterone levels, and that increased testosterone levels are one factor in acne breakouts. The fact that one has acne, however, neither proves nor disproves the proposition that they indulge in masturbation.