Syndrome of infant of a diabetic mother, type 1 or 2, nongestational, insulin dependent

**Definition:** Describes the range of effects on the infant born to a woman with pregestational diabetes mellitus (type 1 or type 2). Common neonatal effects include macrosomia, intrauterine growth restriction, birth injuries, congenital anomalies, hypoglycaemia, respiratory distress, caudal regression syndrome and hypertrophic cardiomyopathy.