ok so I am a 15 going on 16 year old and my cramps have been so severe for my last 4 periods. They wake me up at night and if I don't take 3 Advil (doctor prescribed) every 4 hours than I am in pain for the rest of the day. does any one have any advice ? I've tried all different kinds of methods and have two heat pads and nothing is helping. thank you so much for the help!