Help with NUK teats

Ashton

I use the 0-6m Medium feedhole latex NUK teats for our 3 week old baby (she’s sick from the silicone ones), but recently she’s been taking like half an ounce or maybe an ounce and falling asleep, I bought some large feedhole teats and tried her with them and they seem to come out so fast that she looks like she’s about to choke! And ended up taking 3oz within 10 minutes 😮 and that includes winding!! She wasn’t sick anymore than usual after the large feedhole teats...

I don’t know whether to continue the medium or stick with the large. Help please 😔