> That strikes me as a bit of an unfair argument. I can't speak for all religious people, but for many there's a huge difference between losing fertilized eggs

> That strikes me as a bit of an unfair argument. I can't speak for all religious people, but for many there's a huge difference between losing fertilized eggs 'naturally' and inducing this outcome. Within their world-view, this distinction makes sense. Why should that be that the case? Their intent is already to lower fertility, and with IUDs, sometimes that (unintentionally) happens with identical symptoms to naturally "failed" implantations. ;-)