I have normal periods...but my last period was very light. just got heavy spots 2-3 time in 12 hours...then i check UPT.. i got two lines but one is little fade or light pink..means not dark as the other one... i have check UPT 2 days after light bleeding... am not sure about the results... i have little tightness on my lower abdominal and a little stiffness on back... feeling low... is the result is postive or negative??? What should i do now?