You can check the height and weight.. don't worry about weight gain if the baby is healthy ..give protein rich food .... banana milkshake is good too..

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Mam my baby is 15 months old baby boy. His height is 72.5 and weight is 8.8 kgs. I think he is under weight. What should i do to his weight and height gain.

He is premature baby with 34 weeks 2 days baby boy. At the time of birth he is 2.4 kgs