I have my period like i always do at the end of january 28 four days later it ends. 16 Day later i think i got my period again bc i started a new job and thought i might be getting on the same cycle as everyone else. It now has been 33 days since the 16th which i assume was my period. I dont know if im pregnant or not i have taken tons and tons of test each one has been negactive. Im just so confused. Any ideas as to what is going on? Any help would be great thank you!