Does it sound like she getting milk from the bottle
Evenflo bottles worked best for me or nuk
I absolutely loved the dr browns narrow neck bottle, my girl took a little longer to move up teats, I'd try the p teat xx
My little girl had the same issue and I used the prem bottle and slowly moved her up. It did the trick 💕🫶🏻 Hope this helps
Maybe try the prem size teats level 1 may be to fast for her