also...

[txgal6685]

like i when i mean sick its not like i have been vomenting is just that i have the feeling sometimes to do it but i have yet to do it. also for the past few days like it even hurts so move sometimes cause my back hurts so bad and every little thing is getting on my nerves.

[redcrx]

it could be a number of things, not just pregnancy.
As previously suggested, take a test when your period is due and again a week later if it doesnt arrive.
A kidney infection can cause you to urinate a lot and also cause back pain. Many things can make you feel sick and run down too.