Birth control patch

so i have been on bc patch for a good 5 months and ive been doin the patch free week so i get my periods but recentaly i stoped doin tht and skipped my patch free week i continued to put on a patch so i dont get my period tht week but the next week which is this week i started to have discharge and my next period is next week why is this happening should i be worried is this normal? every time i would have lil but of discharge i would have jus a lil bit of cramps then it would go away. SHOULD I BE WORRIED IF MY PERIOD DOSENT COME NEXT WEEK when i do have my patch free week????? SOME ONE HELP