If you are newly married and about to have a new baby then there could be this excitement that would make you want to monitor the early stages of your baby’s life. WHO’s clinical growth chart are meant for babies under 2 years of age while CDC’s clinical growth charts are meant for children between the ages of 2 and up. If you want to monitor the height percentile of your young infants, then you may either go for a height growth chart that is less than 4 feet, or you can also go for the full range height growth charts. If you opt for a full range height growth chart, then it’s like killing two birds with one stone because you can also use it for adults. In a nutshell, the charts can be used by anybody within the scale range you purchased.