Why have i go this pain?

im 2 days of my due date and today i have been getting alot of backache and pain under my bump. ive just had a bath and nothing has changed i still have the pain. also while i walk i feel like i have a melon between my legs. and it also hurts when i go pee as the pressure is unbearable. all this and the little one is still moving could i be in very early labour or am i wishing again please help thankyou