I'm supposed to be on my interval but i'm expieriencing brown discharge and cramps?

i'm on yasmin birth control and i'm on the last week (the sugar pills) i'm on the 3rd one and i enjoy brown discharge that's very buoyant and cramps. is this my period coming or is it possibly implantation bleeding due to pregnancy? i'm freakin' out..
thanks
Answers:

What should i do?

when u see the old brownish blood its usually from
ripened blood, but u should get a pregnancy check to confirm it, that way the birth control pills dont hurt the babe if u are pregnant

I skipped my period. why?

that is a pregnantcy sign . four days time attain a pregnantcy test (clear blue) you can procure it at pharmacy .let me know the answer .when you see the result.

Severe cramping after sex?

Yup it sounds approaching you are pregnant...
Brown spotting is a very adjectives sign of early pregnancy and is zilch to be alarmed of.
Congratulations! and hope you have a glowing baby!

My daughter have these bumps on her (read more)?

Brown blood is just feeble blood. It sounds like your time is coming but to be on the safe side I would move about ahead and check with your dr subsequent week.