Intense pain that comes on and off on my left upper thigh at the same spot.

Hi any mommies experience this? I start having intense pain on a particular spot on my upper thigh. I am week 29 and when the pain comes, it’s intense , felt worse than cramp. Usually last less than 1-2 minutes . I need advice or solution .. #firsttimemom #advicepls #pleasehelp #help1sttimemompls