Hip pain

Does anyone else get hip pain on one side only? 

I do all my hip stretches regularly, both at the gym & in yoga class, but my left hip has been troublesome for a while. It’s now at the point where it’s almost painful to get out of a chair. 

My mum has osteoarthritis and had to have a hip replacement, so naturally I’m scaring myself! 

I already do the butterfly stretch, hip flexor stretch & pigeon pose as part of my routine – any other good ones?