I need help please, my last period was 17th may and my cycle is 28days normally on time and heavy, on 12th/13th of june i was going the toilet and only having light pink blood when i wipe nothing that fills or stains a pad, im due my period today 14th june only had light pink blood this morning nothing since i done a pregnancy test its come back negative. Could it still be early to test of it was implantation bleeding?