How tall is the newborn baby?

For children of the same age and sex, the newborn baby is about 45cm in length and 54cm in value. Newborn babies should keep the appropriate temperature at 16 to 25 degrees Celsius, wear loose and soft clothes, choose cotton clothes, use cotton diapers, and wash frequently to prevent eczema or heat rash in newborns. Newborn babies need to carry out more to improve baby health.