Okay I was at school I felts like something was coming out but nothing was in my underwear so later I come home and I ate pizza so I went to the bathroom something gooey it was all over my underwear then I realized that my pee was a little yellow then it was mostly reddish but when I wiped lots of the chunks of the gooey things came out but I saw lots of red this never happen to me when the gooey things came out. Did I start my period? and I was also sick yesterday and today