I'm just wondering if anyone knows if the pill effects pre AF symptoms? I ask as I've just gone off it again this month. Usually (when on it) I have no symptoms except for a bit of a crampy stomach the night before it arrives (although this doesn't happen every time). This month I've had sore BBs for about the past week. I know it can be a symptom of AF and being UTD (I'm hoping for the latter), but I guess I'm just wondering why I have this symptom this month....is it likely the pill could stop this from happening whilst on it?