<Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> An infant (from the Latin word infans, meaning "unable to speak" or "speechless") is the more formal or specialised synonym for "baby", the very young offspring of a human . The term may also be used to refer to juveniles of other organisms . </P> <P> A newborn is, in colloquial use, an infant who is only hours, days, or up to one month old . In medical contexts, newborn or neonate (from Latin, neonatus, newborn) refers to an infant in the first 28 days after birth; the term applies to premature, full term, and postmature infants; before birth, the term "fetus" is used . The term "infant" is typically applied to young children between one month and one year of age; however, definitions may vary and may include children up to two years of age . When a human child learns to walk, the term "toddler" may be used instead . </P> <P> In British English, an infant school is for children aged between four and seven . As a legal term, "infancy" continues from birth until age 18 . </P>

When does a newborn turn into an infant
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