However, the features in this condition tend to fall in the normal range for males, so most individuals with XYY are not diagnosed. Some studies suggest there could be a slightly higher rate of seizures and tremors. Learning and behavior in XYY Most children with XYY have IQ scores that fall in the average range or slightly below average, but there is a wide range of learning abilities.
Some children have delays in language development or reading skills. Behavior concerns may include attention problems and hyperactivity ADHD , autism, and difficulty with social skills. It is estimated that one in every newborn boys has XYY. XYY syndrome is caused by an extra chromosome. This chromosome arrangement is called 47,XYY. XYY happens as a random event when a sperm is being formed and is not inherited.
Research has shown that early interventions and treatments are more effective. To diagnosis XYY syndrome, doctors check a blood sample for the extra Y chromosome. Before birth, the condition may be found through karyotype test chromosomal analysis or noninvasive prenatal testing NIPT.
NIPT is done on the fluid surrounding the fetus, tissue from the placenta, or the blood from the mother. After birth, doctors can make a diagnosis with a karyotype or with a microarray test from the baby.
Finding services early is important and can greatly increase their ability to help boys live a healthier, more productive life. Options vary greatly depending on how old a boy is at the time of his diagnosis, whether he has noticeable symptoms, and the severity of those symptoms. Regular doctor visits. At periodic visits, a doctor can monitor a boy's development for delays, social and language disabilities, or health problems and treat these promptly.
Educational support services. Educational support can teach boys ways to keep pace in school. Some might be eligible for an individualized educational program IEP or education plan , which are designed to help children with special needs. Early intervention services. It can be very helpful and often more effective for a boy to have speech , occupational , physical , or developmental therapy in the early months of life or as soon as concerns are found.
Speech therapy and physical therapy can improve a boy's speaking, reading, and writing skills and help increase strength and coordination. Occupational therapy and behavioral therapy can help them develop more confidence and interact better with other children. The whole family can benefit from counseling to better understand XYY syndrome and help a boy who has it to live a productive life. Early inventions should be considered at infancy for physical therapy, at 15 months for speech delay, at 1st grade for reading and learning issues, and at 3rd grade for anxiety or depression.
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