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A child under the age of 1 year. [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 i. breathes; 2) if the i. 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 i. usually shows wrinkled skin, sometimes more serious abnormalities.
- postterm 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 more than 20 weeks and less than 37 completed weeks (259 completed days).
- stillborn i. an i. who has achieved 20 weeks of gestation and 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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in·fant 'in-fənt n
1 a) a child in the first year of life: BABY
b) a child several years of age
2) a person who is not of full age: MINOR
infant adj
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n.
a child incapable of any form of independence from its mother: the term is usually used to refer to a child under one year of age, especially a premature or newborn child. In legal use the term denotes a child up to the age of seven years.
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in·fant (inґfənt) a young child; considered to designate the human young from birth (see neonate) to 12 months.Medical dictionary. 2011.