Hi i been having pain in my stomach where my bladder is and under my ribs it feels like sometimes there's something there where my ribs are it hurts to put pressure I haven't had my period on October at November I think I had my period but it wasn't normal it was a very light period and I only saw blood when I wipe it didn't last long December I didn't have my period and now it's beginning of January and I still didn't have my period I took two pregnancy test and it came out negative and I don't have any symptoms I just feel nauseous at times it even hurts when i have jeans on or anything thats a little tight so what's going on?