i could possibly have conceived between the 16th-19th november, the first day of my last period was 9th nov. my period is due around yesterday (9th dec) and is now a day late. yesterday i had less severe period style pains/cramps which have now eased off, and last night i noticed bright red blood spotting, i assumed it was period but there's been no blood since or overnight.i was reading about implantation bleeding but most people say its usually brown blood?? i have taken 2 preg tests already both negative but i think i took them too early. can anyone advise me please? :(