Anticonvulsant exposure
| Anticonvulsant | No of pregnancies (total 57) |
| Valproate alone | 34 (60%) |
| Carbamazepine alone | 4 (7%) |
| Phenytoin alone | 4 (7%) |
| Valproate+carbamazepine | 3 (5%) |
| Valproate+phenytoin | 2 (3.5%) |
| Valproate+carbamazepine+clobazam | 2 (3.5%) |
| Carbamazepine+clobazam+phenytoin | 2 (3.5%) |
| Valproate+vigabatrin | 2 (3.5%) |
| Valproate+clobazam | 2 (3.5%) |
| Phenytoin+phenobarbitone | 1 (1.8%) |
| Valproate+gabapentin | 1 (1.8%) |