Your baby's weight is below the average for a baby of 11 months. She should weigh about 9.5kg now. Her floppy glottis may have kept her back a bit, but the real reason seems to be some form of milk intolerance. She seems to eat well. She does have quite frequent stools. She may be intolerant to the milk formula she is on. Try her on Isomil2 which is a soya formula for a week and see if this makes a difference. If there is no benefit please ask your paediatrician to see her.
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