my baby is 20 months old and her height is 78 cm.her height is not increase properly.i am concerned about her height.plz suggest me how to increase her height??

A. your child is 20 months old and your child is 2 1/2 feet I must tell you your child is having a very good height as per the age I really have no idea how much do you expect your child to be in this age but this is a very good height that your child is having