hi, my baby is not gaining weight from almost 3 months. she is 8 months 1 day only. looks very thin now. how to gain her weight?

A. hi babies weight gain depends on their birth weight usually they gain double their birth weight by the age of 6 months ideally your child should have weight between 5 to 7 kg so first ensure it if your child weighs enough, looks happy and active then no need to worry about his physical appearance