iud out, hpt, spotting......confused???

I got my marina iud out about 3 weeks ago and I did not start my period. we immediately started trying to get pregnant I took a hpt a week later and it came back with a faint positive line and I have took several after that and were all negative. I started spotting lightly two days ago. im confused not sure whats going on. anyone have anything similar happen to them? whats going on?

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    05/08/14
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    05/08/14
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    About Vickie Vance
    Born: Jackson, Ohio
    Current: Jackson, Ohio
    Birth: May 04
    On Moms.com since: Apr 21, 2014
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