The in-depth resources contain medical and scientific language that may be hard to understand. Unique suggests that parents aim to be patient, calm and firm when dealing with their son’s behavior issues. This information comes from a database called the Human Phenotype Ontology Many children with XYY syndrome have poor impulse control and attention deficits, which may be diagnosed as attention deficit disorder or attention deficit hyperactivity disorder (ADD or ADHD). Treatment of acne may help an affected individual’s self-image. It is uncommon for more than one person in a family to have XYY syndrome. Even though this random event occurs in the sperm cell of the father of a person with 47, XYY syndrome, the syndrome is not inherited from the father because the father himself typically does not have the syndrome 6). Due to this hypothesis, a lot of parents chose to do an abortion if prenatal diagnostic tests found XYY karyotype. Get the latest public health information from CDC: https://www.coronavirus.gov (link is external) However, some boys with the XYY syndrome may develop testicular failure (when the testes can’t produce sperm or testosterone), which can lead to problems with fertility 14). insisting on lining up all car and truck toys, and becoming upset when the toys are disturbed). Two large follow up studies of men with XXY syndrome have revealed that they are likely to die younger than other men. Although people with 49,XXXXY syndrome are sometimes referred to as having a variant of Klinefelter syndrome, the features of these are generally distinct and 49,XXXXY syndrome is more severe. Both boys were diagnosed postnatally. Klinefelter-Syndrom. Other helpful strategies include ignoring bad behavior, rewarding good behavior, stopping behavior that is harmful to the boy or others, distracting the boy from difficult behavior by redirecting his attention to a new topic, and allowing a boy time to absorb and accept new information or change 3).
Some syndromes present with similar symptoms to XYY syndrome. The chromosomal change usually occurs as a random event during the formation of sperm cells. This error is called nondisjunction. Studies in 1990´s concluded that there is not higher risk of these men being criminals than men in general population. The great majority of boys and men with an XYY syndrome are never aware of it, because they do not have symptoms that lead to a diagnosis. You can help advance (adsbygoogle = window.adsbygoogle || []).push({}); (adsbygoogle = window.adsbygoogle || []).push({ There are usually no symptoms suggesting this syndrome at birth. As the cells split, all of the cells forming the embryo have extra Y chromosome. Small testes, a smaller-than-average penis, hypospadius (urethra located on the shaft of the penis) or chryptorchidism (undescended testicle) are included in these physical signs.