Which anti-epileptic is not contraindicated during pregnancy?

Carbamazepine REF: The treatment of epilepsy Simon D. Shorvon - Page 279 "Carbamazepine is the antiepileptic of choice during pregnancy" The latest data from Jentink et al (BMJ 2010;341:c6581) are drawn from the EUROCAT Antiepileptic Study Database and show that carbamazapine was associated with a raised incidence of spina bifida but the absolute risk was small -- 2 per 1000 against a background rate at 1 per 1000.