Hi Doctor, My baby is 3 years old. She is active only. But her weight is almost the same from the past 1.5 years. Birth weight was 3.48kg and her current weight is 12.8kg. height is 91cm She recently started schooling also. She can't walk more than 250m also, she informs that she is tired and to lift her. She is picky eater. She looks thin also. Is she healthy or any problem there. Please advice. Worried about her health.