27 weeks with rib pain!

So for about a week now, I've been feeling pain below my last rib that wraps from my stomach, around my side, and into my back- right side only. It was only when I was standing for too long, but today, it has been constant. Should I be concerned? Go to L&D?

If you think this is normal, is there anything to do to help relieve the discomfort? Nothing seems to help.

Thanks in advance!