So in dec 2012 I had 2 periods and 3.Days of spotting within almost 3 weeks then I spotted jan 7&8, 14&15, 17-23. What's wrong? Been off IUD sincejan12'

Not ovulating. You are likely not ovulating regularly. Not releasing an egg each month can make your periods irregular. Recently removing the iud may also contribute to the bleeding. Your periods should return to their normal cycle within the next month or so; if not , call your doctor.