i took planon jan 29 an hour after unprotected sex i got my period on february 10 it was normal and lastd 4 days had very heavy bleeding.then i got my period on march 4 it started light then got heavy then light again today is the 10th day on my period well for the past 5 days iv only been spotting but its very red and bout the size of 3 quorters it happens only once a day and then the same thing the next day... Could this be because of the plan b.. and also i sarted takig camila birth control the day after i took plan b... or could i be pregnant??? someone please answe im really worried