A child under the age of 1 year; more specifically, a newborn baby. [L. infans, not speaking]
i. Hercules term applied to young children with precocious sexual and muscular development due to a virilizing adrenocortical disorder.
liveborn i. the product of a livebirth; an i. who shows evidence of life after birth; life is considered to be present after birth if any one of the following is observed: 1) if the infant breathes; 2) if the infant shows beating of the heart; 3) if pulsation of the umbilical cord occurs; or 4) if there is definite movement of voluntary muscles.
postmature i. a baby born after over 42 weeks of gestation, which puts the child at risk because of inadequate placental function. The infant usually shows wrinkled skin, sometimes more serious abnormalities.
post-term i. an i. with a gestational age of 42 completed weeks or more (294 days or more).
preterm i. an i. with gestational age of less than 37 completed weeks (259 completed days).
stillborn i. an i. who shows no evidence of life after birth. Cf. liveborn i.
term i. an i. with gestational age between 37 completed weeks (259 completed days) and 42 completed weeks (294 completed days).
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