The average weight for a 15 month old baby is 10.5kg. Correcting your baby's age to allow for his prematurity he should weigh about 9.9kg. At 8.5kg and correcting for his prematurity,his weight falls on the so-called 10th percentile line of the infant weight chart. This means that his weight is in the lowest 10% for babies of this age.
He does not appear to be allergic to milk as he drinks full cream milk. Change all of his milk to either Nido or to Parmalat First Growth milk which should make him feel more full and content.Do not overdress him at night, he must wear only cotton clothing and cover him very lightly with a thin cotton duvet/comforter only.Make sure that your bedroom is well ventilated.
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