= not applicable.No data were available for acetazolamide, brivaracetam, eslicarbazepine acetate, lacosamide, nitrazepam, perampanel, piracetam, pregabalin, rufinamide,stiripentol, tiagabine, or vigabatrin.4Neurology | Volume 102, Number 11 | June 11, 2024Neurology.org/NCopyright © 2024 American Academy of Neurology. Unauthorized reproduction of this article is prohibited. Table 2Unadjusted Prevalence Differences . The serumconcentration of some ASMs (in particular, lamotrigine andlevetiracetam) decreases during pregnancy. These decreasesmay occur at any point during the pregnancy.e16-e18There are limited data available on epilepsy-related outcomesduring pregnancy among PWECP for numerous ASMs, in-cluding but not limited to acetazolamide, eslicarbazepine,ethosuximide, lacosamide, nitrazepam, perampanel, piracetam,pregabalin