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.
During pregnancy, the key factors associated with an increased risk of miscarriage were alcohol consumption, lifting weights of over 20 kilograms every day and regular night-shift working. According to the research, reducing all these risk factors to very low level could prevent around a quarter of miscarriages.