You are pregnant? Sometimes round-ligament pain feels like that. Ask your doctor at your next visit, or if you think it is more acute, call now and ask to be seen.
I will be 29 Weeks on Thursday, the pain is more towards my back then stomach
It could be the baby stretching his legs and pressing on your ribs, or it could be a lot of other things. Kidney infection, appendix, you name it. Please ask your doctor, there are just too many possibilities.