9 weeks with hip and lower back pain

I’m 9 weeks and 3 days with my second. I’ve been having terrible hip and lower back pain. I didn’t get lower back pain with my first until I was 26-27 weeks. I try not to carry my daughter a lot. Or do anything that would strain my back. It was perfectly fine before I got pregnant and the early weeks. The pain started last week and it’s just been getting worse to the point where it bothers me while I sleep. I’ve tried taking baths, my fiancé gives me back rubs, and hot compresses. Any advice or suggestions?