My child (boy) has the weight of 14.5kg.all are telling he is under weight, his birth weight is 3.3 kg.i am so m, uch worried?

? no age,length ?: You can find a growth chart that represents the various patterns of growth common to boys & girls and look at how your child fits at his present age and length. Go to www.Cdc.Gov/growthcharts. If you position several points, including birth length & weight and other measurements you have, you can see if he is following a healthy pattern of increasing height & weight.