I threw up twice on very different occasions...I wake up hungry enough to eat a bear..my period came a week early and it was light.that is not normal I usually cramp really bad until last 2days of period.I been having pregnancy symptoms . nausea ,headache, backache , heartburn ,can t sleep comftable,heat flashes,cramps in cab muscule..extremely emotional.of course tiredness...am I pregnant...and does it sound like a unhealthy pregnancy?