Baby moving a lot and pain

I am 31 weeks and baby is very active. She is also measuring 2 weeks ahead currently and in the 90th percentile as of 2 weeks ago. The past few days her movements are becoming painful. Like I have to move and readjust how I am sitting or standing to make the pain go away. Anyone else experiencing something similar? This is my 4th pregnancy and I don’t remember having pain like this from them moving, other than the occasional kicking of the ribs/lungs towards the very end.