The Predictive Value of Microcephaly During the 1st Year of Life for Mental-retardation At 7 Years
(1991) Developmental Medicine and Child Neurology — Vol. 33, n° 11, p. 974-983 (1991)
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- Abstract
- Of 41 term infants surviving to seven years of age with head circumferences (HC) - 3 SD, 21 were mentally retarded (IQ less-than-or-equal-to 70) at seven years. HC - 2 SD was associated with mental retardation in 11 per cent of children. Socio-economic status did not affect mental outcome of children with HC -3 SD, but higher socio-economic level was associated with better outcome for those with HC - 2 SD or who were normocephalic. Mental retardation in children with HC - 3 SD was more common in children with additional pathology. Of 25 children with no other pathology, one-quarter were mentally retarded at seven years; this was more common in children of normal birthweight. Disproportionate head-to-height ratio did not significantly affect outcome, although short stature was associated with less favourable outcome for those with HC -2 SD or who were normocephalic.
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Dolk, H. (1991). The Predictive Value of Microcephaly During the 1st Year of Life for Mental-retardation At 7 Years. Developmental Medicine and Child Neurology, 33(11), 974-983. https://doi.org/10.1111/j.1469-8749.1991.tb14813.x (Original work published 1991)