idk what it is but for some reason maybe baby's in a diff position but my bump looks smaller all of a sudden, I still…

idk what it is but for some reason maybe baby's in a diff position but my bump looks smaller all of a sudden, I still feel him moving like normal but my stomach just doesn't feel as hard I have a Dr appt but wanted to know if anyone else had this happen around 24 weeks? I have a Doppler so I checked him over the weekend cuz I'm such a worry wart but anyone else experience something like this