missed period

eve says im 17 days late for my period i havnt had one all this month. me an my fiancé are sexually active an we don't use protection we simply use the pull out method but the other day around midnight out of no where i felt super sick an started vomiting up alot then after all that an after i cleaned up i went to bed iv been super sleepy lately an my fiancé claims im being bipolar lately lol i dont want to take a pregnancy test just yet an i go to see my dr in about two weeks but is their any chance without taking a test before i see my dr to know if im pregnant?