What Is Jacob's Syndrome Symptoms?

About 1 in 1,000 boys have it. Boys with XYY syndrome — also known as 47,XYY — might be taller than other boys. Other symptoms can include problems with spoken language and processing spoken words, coordination problems, weaker muscles, hand tremors, and behavioral problems.

What is the life expectancy of Jacobs syndrome?

Results. The average prevalence was 14.2 47,XYY persons per 100,000, which is reduced compared to the expected 98 per 100,000. Their median age at diagnosis was 17.1 years. We found a significantly decreased lifespan from 77.9 years (controls) to 67.5 years (47,XYY persons).

Is there a cure for Jacob's syndrome?

How is XYY syndrome treated? XYY syndrome can't be cured. But treatments can help reduce its symptoms and effects, especially if it's diagnosed early. People with XYY syndrome can work with healthcare providers to address any symptoms they may have, such as speech and learning problems.