Symptoms and Pain

I'm not exactly sure what I may or may not have. I am young, yet in pain. It might be normal for a teenage girl like me, but I like to be prepared. I tried researching a few symptoms that I have, but came up wondering if what I came up were my problems. A few of my symptoms are the abdominal pain radiating to my back, and chest pain. It comes and goes, but when it's there, it's hard to breath. It used to be just mostly lower abdominal pain, but now it's back. I'll get these sudden pains, and when I lay down I try to breathe through the pain. It's hard, but I manage everyday. I'm not sure what my problem is.

Ana