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Updated: Aug 18, 2026

Preclinical Model of Prenatal Delta-9-Tetrahydrocannabinol Exposure to Assess Its Impact on Neurodevelopmental Outcomes
Published on: February 28, 2025
Levetiracetam use and pregnancy outcome
Klara ten Berg1, E Bettina Samrén, A Carla van Oppen
1Department of Medical Genetics, University Medical Centre Utrecht, PO Box 85090, 3508 AB Utrecht, The Netherlands. k.tenberg@azu.nl
Abstract:
Prenatal exposure to levetiracetam (LEV) has been shown to cause skeletal abnormalities and growth retardation in animal studies, but the teratogenicity of this new antiepileptic drug in humans is still unknown. We detected no malformations in a series of 11 pregnancies with LEV exposure, although it was striking that three cases had a low birth weight. There may be an association between maternal LEV use and reduced birth weight, but too few cases have been monitored so far. We recommend that the outcomes of all pregnancies exposed to LEV should be carefully registered.
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