Please Please help me with my period!!?

I am having cramps but I ate alot of junk food lately and I can like feel my ovaries Ibubbling? I also am farting wile I cramp andd I having alot of discharge latley?? I hhad clear stuff in my underwear? Was it tsweat? I'm 11 1/2 I have alot of armpit hair,,, Pubic hair and pms?? Am I close?? I'm Should I use tampons or pads? Ii havend ask my mom anything yet until I know from u guyz <3 please and thnks! I weigh 79 lbs and am 5 ft I had discharge for 1 year and 1 monthh