Jelliffe-Pawlowski et al identified risk factors for a child developing mental retardation by 7 years of age. These can help to identify children who should be monitored more closely for this disorder. The authors are from March of Dimes Birth Defects Monitoring Program in Oakland, California.


Classification of mental retardation (MR):

(1) by severity: mild, moderate or severe

(2) by presence or absence of other developmental disabilities (cerebral palsy, epilepsy, etc)


Conditions associated with an increased risk for mental retardation:

(1) autosomal chromosome defect other than Down's syndrome

(2) Down's syndrome

(3) sex chromosome defects

(4) the presence of any structural birth defect (cardiac, CNS, other)


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