u can try all the free samples from different brands first. sometimes baby doesn't like the taste or allergic to the ingredients.
My 22 mo girl also doesn't like formula. More ok with uht or fresh milk. She latches most of the time though.
U can let the son try samples of different formula milk brand
Haha! Actually at 2 years old, I switched to cow’s milk.
The formula milk from Australia and NZ are usually good
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