117 PRENATAL TREATMENT OF A GIRL WITH 21-HYDROXYLASE DEFICIENCY (CAH)

Three possible explanations are seen for the fact that virilization was influenced not qualitatively but only quantitatively by prenatal treatment: the dose of Dexa may have been too low; treatment may have started too late; and the activity of the fetal adrenals possibly is not influenced by Dexa at the time when early steps of virilized take place.