2009
DOI: 10.1056/nejmoa0803531
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Cognitive Function at 3 Years of Age after Fetal Exposure to Antiepileptic Drugs

Abstract: BACKGROUND-Fetal exposure of animals to antiepileptic drugs at doses lower than those required to produce congenital malformations can produce cognitive and behavioral abnormalities, but cognitive effects of fetal exposure of humans to antiepileptic drugs are uncertain.

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Cited by 704 publications
(559 citation statements)
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“…Divalproex should be avoided during pregnancy due to elevated risk of neural tube defects (up to 5%), even higher incidences of other congenital abnormalities, and evidence of striking degrees of neurodevelopmental delay in children at 3 years of age and loss of an average of nine IQ points 529, 530, 531. Because of changes in physiology in the second and early third trimesters, such as increased plasma volume, hepatic activity, and renal clearance, patients may require higher doses of medications towards the later part of the pregnancy.…”
Section: Specific Populationsmentioning
confidence: 99%
“…Divalproex should be avoided during pregnancy due to elevated risk of neural tube defects (up to 5%), even higher incidences of other congenital abnormalities, and evidence of striking degrees of neurodevelopmental delay in children at 3 years of age and loss of an average of nine IQ points 529, 530, 531. Because of changes in physiology in the second and early third trimesters, such as increased plasma volume, hepatic activity, and renal clearance, patients may require higher doses of medications towards the later part of the pregnancy.…”
Section: Specific Populationsmentioning
confidence: 99%
“…Valproic acid exposure during pregnancy has been associated with a lower IQ in the child 37 . No evidence exists for a comparable cognitive effect for carbamazepine or lamotrigine.…”
Section: Discussionmentioning
confidence: 99%
“…It is also known that fetal exposure to valproic acid can cause autism features in animal models, and can also affect mental development in offspring of pregnant epileptic women on this medication. 86 This may be related to the timing of cytokine effects in utero because the postnatal effects that are known to be different in the human brain show this medication to be beneficial in autism after the perinatal period of development is complete.…”
Section: Treatment Of Cytokine Abnormalitiesmentioning
confidence: 99%