hello.. my girl is 22months old she is underweight... she is 9.5kg she is very lean even though she is active her physical appearance is very weak... please help

A. hi well , your child weighs enough.,she is not having low weight. it is good infact. so don't worry about your child physical appearance. because for a child, it is not necessary to look Chubby. it is more important to stay happy and active