perinatal disease Idiopathic or cryptogenic familial epilepsy syndrome with identified loci/genes Channelopathy with epilepsy Benign familial neonatal seizures Benign familial neonatal epilepsy Benign familial neonatal convulsions UMLS:C0220669 MESH:D020936 Benign familial neonatal seizures (BFNS) is a rare epilepsy of the newborn characterized by partial or generalized seizures, which occur during wakefulness and/or sleep. Seizures typically start in the first days of life and remit spontaneously by approximately 4 months of age. ICD10:G40.3 OMIM:269720 orphanet OMIM:608217 UMLS:C2930911 OMIM:121200 MESH:C535466 MedDRA:10067866 OMIM:121201