This is not all that unusual these days when children seem to get bigger with each generation,but I must add that your son appears to be particularly big for his age. If he is healthy and happy and has no sign of early puberty then there is no need for him to be seen by a paediatrician.
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.