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Postnatal Functional Deficits

Growth and development of the child occurs during pregnancy and continues after birth through puberty. Possible behavioral, speech, and/or movement problems may not be evident until several years after birth. A child with developmental delay is not reaching developmental landmarks at the usual age.

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National Toxicology Program (NTP), within the U.S. Department of Health and Human Services, is an interagency program headquartered at the National Institutes of Health's National Institute of Environmental Health Sciences (NIEHS) located in Research Triangle Park, NC.
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