Spotting then stopped, BFN, AF due 2/3.

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AF is due on 1/3. Started spotting light pink/brown on 1/27. This same discharge continued until 1/30. It was very light and only when I wiped. Took 3 HPT with FMU on 1/30,1/31 and 2/1. All BFN (see below). Only symptoms is pressure in my lower abdomen which started today and mild nausea at times. I've never spotted before a period and then stopped. 

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