You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A child's growth variation is normal but bone development is not acc to the chronological age.What is diagnosis ? and explain in detail?
The child in this question has :


Height below 3rd percentile, i.e., short stature.
Normal growth velocity, i.e., a normal variant of short stature.
Skeletal age is less than chronological age.


There are two types of a normal variant of short stature.


Constitutional delay in growth
Familial genetic short stature


In constitutional delay, the bone age is less than chronological age, while in familial short stature bone age is normal for the chronological age.
So, the most likely diagnosis of this child is a constitutional delay in growth.