period

hey guys so i had sex when my period was due like the same week maybe 2 days (feb 7 and 8)  in a row and we used condoms and then didn't for one round lol... well I haven't gotten my period it's the 13th BUT i am experiencing pain while i pee and it's  mild, i feel like i need to pee a lot but i still have cramp and i keep like burping and i have gas... what could it be? my last period was late too and i used to have a UTI before but never like this bc when i first got a UTI it had blood and I don't have blood this time . please help.