Your son's height and weight are well below the average for his age being below the 10th percentile [ the lowest 10% of boys of his age] This could be the result of his difficult start in life but it is unusual for this to still affect a boy of 4 and a half. His recurrent ear problems have also been a factor here, so please get a second opinion about his ears as they should have cleared up by now. Also ask your paediatrician to see him and to give him a thorough check-up just to be sure that all is well and that he is simply following a familial growth pattern.
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