pregnancy

ok today im 11 days late for my period, on dec 12th i had a normal period, like always, the i was to be ovulating from dec25th to dec 29th the i was to start my period on jan 9th ..didnt happen but i had spotting around that time of my period, but it was only when i wiped. so can someone send me some info on this topic about implantation bleeding, i have no pains. and im 28 trying to have a baby.ty