Baby milk bottle teat.

We will see how our baby react when sucking. If she’s fussy and agitated and sick half way and don’t want, we will upgrade and try out the new teat. Other signs you can refer to this website: https://momlovesbest.com/feeding/bottles/when-to-switch-nipple-sizes You can try out to see if your baby is able to cope with a faster flow without choking if you feel that your baby is ready or if your baby show the signs.