Hindi siya guaranteed na buntis kasi spotting lang, mama, marami kaming nakaexperience na yan habang on pills dahil adjustment pa lang ng katawan, lalo na kung baguhan ka pa lang after a month, so baka yan lang breakthrough bleeding talaga. But para peace of mind mo, better mag-take ng pregnancy test after a week or two if hindi pa umuusad ang period, o consult your OB agad para sure at ma-guide ka properly on pill use din!