Hello, I need some advise.I am 18 years old. I have been been on the depo for about 2 years now, about 2-3 weeks ago. I started feeling very heavly, bitchy, cry baby,headaches, couldn't eat enough was still wanting food, got heart burn for the fiirst time ever, been feeling very nausaes.my stomach has been hurting like Crapping, at the bottom under my belly button and this pain from my back into mu stomach then It will hurt for a lil, my boyfriend and I had sex about a week ago, and after i went outside and threw up. I really just feel crappy. For two weeks, but not enough to relize something Isnt right Am I pregant? please help?