C.T.
I am in exactly the same boat as you. My 1st pregnancy wasn't like this at all. I got one of those pregnancy pillows and it has helped at night. During the day at work I got a gell pillow that has a notch in it where your tail bone would be and that helps with my back pain. I do a lot of stretches for my hips and back too that I learned in physical therapy. Watch your posture too. My husband has caught me doing the "sway back" thing and I didn't realize it. I don't like taking medicine normally so being pregnant I am even more avid about it so I know where you are coming from with not wanting to take pain meds.
See you in the delivery room. LOL We are due around the same time.
C.