My right side of my stomach hurts so bad from the back to the front of my right side !! It’s been…

My right side of my stomach hurts so bad from the back to the front of my right side !! It’s been hurting for like 30 mins now baby boy is moving but idk what caused this pain all of sudden it hurts when I’m sitting but it really hurts when I’m walking like I pulled something I can’t explain it I just never felt this before and it’s not going away .