Hello lady's need some advice Friday night I took first response test my period was due today the…

Hello lady's need some advice Friday night I took first response test my period was due today the test came back positive took one the next morning came out positive mind you I was spotting the day before these tests than like an hour later I start bleeding orange pink than as the day went on it turned to red heavy Saturday after noon to Sunday night I wake up this morning to barely anything but light pink blood but with cramping what could this mean???