Mental retardation: Infants with the condition often have lighter skin, hair, and eyes than siblings other symptoms may include: delayed mental and social skills, head size significantly below normal, hyperactivity, jerking movements of the arms or legs, mental retardation, seizures, skin rashes, tremors, unusual positioning of hands. For additional information consult: http://www.Ncbi.Nlm.Nih.Gov/pubmedhealth/pmh000.
Answered 9/30/2020
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