The average weight for a baby boy of 4 months is 7kg. Your baby was doing well until he started at the creche.It is not the solids that are important for a 4 month old baby,but his formula. Why is he on Isomil? Is he definitely allergic to cow's milk or does he have lactose intolerance? If he does not then he should not be on a soya formula such as Isomil. I would prefer him to be on a regular cow's milk formula if possible, especially one for hungry babies such as Lactogen1.Please let me know why he is on a soya formula and if necessary I will advise you about the way forward for your baby.
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