Just keep your head up, you CAN do it! You've done it before! Maybe you should do a little research on mirena online and see if it could be a secret saboteur. If it is, talk to your doc about something else for bc. Good luck to you, I know it gets hard, TRUST me, but it WILL happen. Be persistent with your eating habits and exercise, and your body will follow suit. You'll notice it, just keep on truckin! Good luck girl!