Positives or Negatives?

Hey ladies,
My last period was December 19th and I haven't gotten my period yet this month. My boobs are more tender than the usual and I've been having weird cramps on and off. Usually I get my period the day after I have cramps, but I haven't gotten anything yet. Also, I've been more tired than the usual. I decided to take two types of pregnancy test and I'm not sure what to think. The pink dye is a First Response pregnancy test and the Blue dye is a CVS brand pregnancy test. Do you think this is postitive? How accurate are this test anyways? 
Should I buy a digital test and take it or go make an appointment with my Gyno? 

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