period

im sorry this may sound crazy but that what happened to me. my period supposed to come on 12th but shows up on the 10th . and it took 6 days as usual. since my period finished i cnt stop vomiting , and smelling things. friends are telling me to test myself cos they never see me , vomiting like i do lately. my self i dont think , im pregnant cos i saw my period . he guys do u think i should try to test myself?