Okay so my body is acting weird i some times have irregular periods but usally its not late late last month i was supposed to get it on 4 of July but it was two weeks late and on top of that i bled very lightly for 4 days and this month im getting alot of white disscharge very slimy too i get hungry more and pee more and i get nause in the morning and some times during the day i get headaches alot and dizzy too i took 2 pregnancy test last month and were negitive and yes im sexually active w/ my boyfriend Pls help!?