The average weight for a baby boy of 4 months is 6.8kg, so your baby son's weight of 6.1kg is below his expected weight.He refuses to take his formula but at his age it is essential that he drinks milk which is his main source of nutrition.You should try him on various formulas to try to find one that he will take. Start off with NAN Pelargon which many baby's like because of its 'yoghurt' taste.If he won't take the NAN Pelargon then try Lactogen1. You can also start him on solids now beginning with small amounts of a rice cereal twice a day.
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