i am 22 years old and am having a lot of issues and not sure what it is. i went to a hospital and all they did was test for pregnancy and sent me on my way with no explaination of anything. i am 13 days late on my period, i am having flu like symptoms, headaches, ab/pelvic pains occationally, so tired that when i try to wake up i cant, constantly sweating even though the air conditioner is making my apartment a popsicle. i am VERY concerned and i cant seem to figure out whats going on please help