The medication you take during pregnancy can affect your baby. Birth defects — including cleft palate, neural tube defects, skeletal problems, and heart and urinary tract problems — are some of the potential side effects associated with anti-seizure medications. The risk seems to increase with higher doses and if you take more than one anti-seizure medication.
If you haven't had a seizure for nine months before you conceive, you're less likely to have a seizure during your pregnancy. If you haven't had a seizure for 2 to 4 years, you might be able to taper off medications before you conceive to see if you remain seizure-free. Talk to your health care provider before you stop taking any of your medications.
For most people, it's best to continue epilepsy treatment during pregnancy. To minimize the risks, your health care provider will prescribe the safest medication and dosage that's effective for your type of seizures. Seizure medication levels may be monitored throughout your pregnancy.