Was back pain your first symptom of pregnancy?

I’m having terrible back pain for no reason. It just started today. It’s lower back pain on the right side. My period is due on the 9th. I’ve NEVER had back pain in my life as a PMS symptom.

I’m just symptom spotting because it’s been over a year of TTC so please don’t think I’m stupid, I’m just grasping at straws here.