She's currently on size 2 x
Could’ve written this myself, my boy is exactly the same! I changed to size up teat and he still does it. I’m wondering if it’s CMPA but he drinks 90ml no bother then gets fussy at the last 30ml. As long as she’s getting what she needs in a day, I’m putting it mostly down to a phase
Definitely try the next size and see if it helps xx
My LG was like this at around 10/11 weeks on a size 2 (went from guzzling 4oz to have to fight to get 3 in her) We went up to a size 3 which she took a few days to get used to and starting guzzling 4oz again and wanting more! It also could be a growth spurt where she's wanting little and often so 120ml every 2 hours instead of 180ml every 3/4 hours so over 24hrs takes more. Our LG was taking 120ml 4hrly and then wanted 120ml 3hrly which quickly went to 150ml 3hrly
What size teat is she on? When my little girl was around 10-12w she done the same and changing the teat to size 2 fixed it x