Could labor be soon this is my first baby?

with the past week my lower back has been killing me even more have.ent slept much over it always wakening every few Min's no matter what i do it hurts so much even when im walking or sitting down im running to the bathroom every few Min's and i have been getting sick every moring this week so im just wondering could labor be soon im 33 weeks pregnant and my bump has droped really low its so low i cant drop no more and i have a lot of pressure 2