32w5d Practice breathing?

Sam 🙇‍♀️🙇‍♀️🙇‍♂️🙇‍♂️

I just got back from the drs appt and everything was fine however. I have noticed that the movement from baby looks like baby is trying to breathe.. is that normal? It's not hiccups, but its rhythmic like breathing... should I be concerned?