hi, am a 17 years old female. and ive been feeling very nauseous and my stomach has been realy hurting i got my period yesturday but i also have been having sex for the past 4 weeks, but for about the past 2 weeks or so ive been having the feeling like to throw up but never do. and everytime i go to eat something i feel like throwing up and get bad stomachachs and i could barely sleep because my stomach hurts so bad!thanks for your time!