Confused and Scared

I think i have the symptoms of early pregnancy but i dont know. I have a mild pain in my right side and some mild pain in my pelvic area, my cycle is not due for 4 more days, i do have some nausea but i get hungery all the time even with the nausea, and i get dizzy sometimes. I need help what could this be, oh and my breast are a little tender. PLEASE HELP!!!