The average weight for a 5 year old girl is 18kg. Your little girl's weight is well below the average for her age and falls in the lowest 2% for all girls of 5 years. It is unlikely that mild spina bifida is the explanation for her being so underweight. It would definitely be best for her to be seen by a paediatrician.You have not mentioned the area where you live so I am unable to recommend a paediatrician. Ask your GP to recommend a paediatrician in your area.
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