#asktheexpert Parth's immunity is very weak. he is under weight and under height. what should I do to increase his weight and height??

A. Hello mom if he is active as per his age and doing age appropriate activities and achieving his milestones on time and eating well not to worry much , check his weight according to his birth weight which they triple by the age of one year and then they gain about 2 to 4 kgs yearly