Age Group
newborn
new·born [ noo-bawrn, nyoo- ]
Definitions related to infant, newborn:
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(newborn) An age group comprised of infants during the first month after birth.NCI ThesaurusU.S. National Cancer Institute, 2021
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(neonate) Human body from birth to 4 weeks.Foundational Model of AnatomyUniversity of Washington, 2017
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An infant during the first 28 days after birth.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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(newborn human (0-6 weeks)) An infant human from birth through 6 weeks of age; also index with appropriate human and clinical research terms.CRISP ThesaurusNational Institutes of Health, 2006
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