Excruciating hip pain

Anna • Married for 6 years, expecting baby boy #2 in June!
Anyone else getting horrible hip/butt pain? I get it during the day, but it is so awful at night that it wakes me up and I'm almost in tears. I've tried heat, ice, pillow between my knees, no pillow between my knees, sleeping in a recliner, and finally my doctor gave me a muscle relaxer. The muscle relaxer makes me tired, so I sleep a little more, but doesn't really make the pain go away. Doctor says it's just everything expanding and loosening up to prepare for delivery.