-brown discharge after peeing, but not in your pee or underwear
-nausia (only 2 mornings)
-top part of bladder feels pressured
-constipation, but not that bad
-yellow discharge in underwear (not a lot)

im only 15 and i need help. My period is due on the 2nd of february only. I run a lot and im always active.
Is this caner?