Spotting but no periods after mirena removed?? HELPPPP?

So I had my iud removed last month on the 26th then sex on the 27th I have spotted 10 days to be exact after that what I thought was implantiton bleeding....No period...Then today 6/14/2011 I have some more spotting light..The color is brown then light pink..Not enough to fill a pad or tampon?? Can someone please tell me what the heck is goin on. Im ttc#2 But I have no idea what my body is doing I cant keep track of it grrrrrrrrrr Do you think its pregoo?? Its only been 19days took a HPT it was neg....Please help