Eating issues after low flow

Our 26 weeker is very close to discharge. 120 days stay so far , but who's counting haha.

Since baby has chronic lung disease they are still on oxygen and will be going home on it.

Recent issue has been once we went from high flow to low flow her feeds seem to have cut in half. Baby used to take full bottles only takes half now

Just wondering if anyone had a similar experience, I feel like we are so close I don't want to rush baby and lose all progress.