I also would suggest spinningbabies.
My babe has a tendency to be op as well. Half of my labour with dd1 she was op. I knew the exact moment that she turned, because it stopped being so painful right then and I didn't make a sound after she turned. I had been very noisy through the back labour. Here's the thing though: labour was still perfectly manageable, and she eventually turned. My labour was about 6-7 hours and I only pushed for 30 minutes. So don't worry too much. In the meantime, try and spend some time on hands and knees with you belly hanging down. I do this at least 2x a day for 15mins. Particularly helpful when baby is already awake and moving around. Most babies even if op when labour starts will navigate the pelvis and turn into a good position to be born.
SAHM to DD 03/08 & DD 06/10 made with love with my DP