hungry or eating i am having sharp pains right under my left ribs and its like its on the side and my back too. i am 21 and female. my period is late. but i am almost positive im not pregnant. this has been going on since i was little and it is getting worse. i cant handle it anymore. it feels like someone is stabbing me. idk if it is an ulcer or gas or what but it hurts to where i am in tears. please any advice will help. i dont want to go to the doctor til i research some about it.. i dont want to go and them just blow me off and say its gas.. i dont think it is and i know my body pretty well. PLEASE HELP!