Signs and Symptoms
Children with XXY differ little from other children. Although they can face problems during adolescence, often emotional and behavioural, and difficulties at school, most of them can achieve full independence from their families in adulthood. Most can lead a normal, healthy life.
The results of a study carried out on 87 Australian adults with the syndrome shows that those who have had a diagnosis and appropriate treatment from a very young age had a significant benefit with respect to those who had been diagnosed in adulthood.