Which of the following is a recognised cause of a cleft lip when used during pregnancy?
Teratogens
| Agent | Defects caused |
|---|---|
| Valproic acid | Spina bifida, hypospadias |
| Lithium | Cardiac (Ebstein's) anomalies |
| Alcohol | Fetal alcohol syndrome |
| Phenytoin | Craniofacial defects, limb defects, cerebrovascular defects, mental retardation |
| Carbamazepine | Fingernail hypoplasia, craniofacial defects |
| Diazepam | Cleft lip/ palate |