So i have the mirena, ive had in for about 5 months now and my boyfriend and i havent been using condoms. He would use the pull out method but everyone is not perfect! And this week is supposed to be my period week or at least i thought since ive been having some cramps and right now i have that really weird discharge thats brown.. im nauseous and dont feel good ive been cramping all day i threw up the other day after drinking orange juice but i was also catch the flu soooo i dont knowww is there a chance that i could be pregnant or is this just my period symptoms