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  • Title: Congenital abnormalities in two sibs exposed to valproic acid in utero.
    Author: Chitayat D, Farrell K, Anderson L, Hall JG.
    Journal: Am J Med Genet; 1988 Oct; 31(2):369-73. PubMed ID: 3148279.
    Abstract:
    Neural tube, craniofacial, and other congenital abnormalities have been described in infants born to mothers with epilepsy who were treated with valproic acid (VPA) during pregnancy. The pathogenetic relationship between the congenital abnormalities and exposure to VPA is not clear. We describe 3 sibs born to a mother with epilepsy. Only the 2 sibs who were exposed to VPA in utero had certain of the characteristic craniofacial changes described in previous reports of children with similar exposure. In addition, the 2 affected children had other craniofacial and skeletal abnormalities which have not been reported previously as teratogenic sequelae of VPA exposure. Many of the minor anomalies present in the 2 affected patients resemble those observed in rhesus monkeys exposed to VPA in utero. This suggests that the abnormalities observed in the 2 children may have been a consequence of intrauterine exposure to VPA.
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