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infant

A baby from birth to 1 year of age.

IN-funt noun

What it means

A child in the first year of life. The first 28 days are the newborn (neonateNEE-oh-naytA newborn baby in the first 28 days of life.ne/o newnat birthFull entry ) period. Infants grow fast, roughly doubling their birth weight by about 5 to 6 months and tripling it by 1 year, and they reach many developmental milestonedih-vel-up-MEN-tul MILE-stohnA skill that most children can do by a certain age, such as smiling, sitting, walking or saying words.Full entry , from holding the head up to sitting, crawling and often first steps.

For the nurse

Teach safe sleep: on the back, on a firm flat surface, with no pillows, blankets or toys in the crib. Infants ride in a rear-facing car seat. Check the pulse at the brachial artery and count the apical pulse for a full minute.

At a glance

Spanishlactante, bebé
Also writteninfants, infant's

Related terms

immunization

The process of making a person protected against a disease, most often by giving a vaccine.

neonate

A newborn baby in the first 28 days of life.

developmental milestone

A skill that most children can do by a certain age, such as smiling, sitting, walking or saying words.

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