The word infant is commonly used as a slightly more formal word for baby (the youngest category of child).
The term infant is also used as formal/legal term for minor; that is, a child in general.
A newborn infant is known as a neonate (neonatal, neonatus) after the final stage of gestation throughout the first three months.
A human infant which is less than 28 days old is a newborn.
The term can technically also apply to premature infants and postmature infants, as well as full term newborns..
For more information about the topic Infant, read the full article at Wikipedia.org, or see the following related articles:
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