What is XYY syndrome?

XYY syndrome is a chromosomal condition in which males have an extra Y chromosome. Males with this condition experience normal sexual development, however, there may be an increased risk of developmental delays in speech, language, motor, or behavioral abilities. The characteristics will vary widely.

How do members experience XYY syndrome?

Top 5 symptoms reported by people with XYY syndrome*

*Reports may be affected by other conditions and/or medication side effects. We ask about general symptoms (anxious mood, depressed mood, fatigue, pain, and stress) regardless of condition.

Top treatments taken by people for XYY syndrome*

Who has XYY syndrome on PatientsLikeMe?

Age

Age Proportion # of patients
<20 1
20s 0
30s 1
40s 3
50s 0
60s 0
70+ 0

Distribution of sex

Sex

Sex Proportion # of patients
Male 3
Female 2