[The fetal hydantoin syndrome]. / Det føtale hydantoinsyndrom.

A boy with dysplasia/hypoplasia of nails and fingertips is reported. He was born to a woman who had been medicated during pregnancy with hydantoin for epilepsy. The clinical and radiological features of the fetal hydantoin syndrome are described. It is suggested that hydantoinexposed fetuses should be examined by ultrasound and serum folate monitored during pregnancy.