Finding out I have klinefelter's answered a lot of questions I had about my life. Has anyone else experienced this she doesn't know what to do and I want help as I am expecting too. Speech therapy and physical therapy can improve your son's speaking, reading, and Babies born with genotype 47,XXY are born males, that is, they have the typical physical features of males, with a penis and testicles. I'm not unhappy, just hate my body shape. [9] KS is diagnosed by the genetic test known as a karyotype. Fertilizing a double X egg with a normal sperm also produces an XXY offspring (Klinefelter).[33]. Since then, I've had the testosterone therapy. and treat these promptly. [5], As babies and children, XXY males may have weaker muscles and reduced strength. mosaic XYY syndrome usually have fewer symptoms. The XY sex-determination system is a sex-determination system used to classify many mammals, including humans, some insects (), some snakes, some fish (), and some plants (Ginkgo tree). I definitely did not fit in with my peers and can only recall having one friend at any given time. The chromosomes contain genes, which determine an individual's characteristics, such as eye color and height. An XXY Chromosome means that your baby has Klinefelter's syndrome, which is a condition caused by a chromosome nondisjunction in males. and lead to school or social problems. The genetic and cytogenetic basis of male infertility. Also, the presence of this trisomy in embryos may be a cause of recurrent miscarriage as well. I was frequently in trouble for not following instructions. [4][8] It is named after American endocrinologist Harry Klinefelter, who identified the condition in the 1940s. About one of every 500 males has an extra X chromosome, but many don't have any symptoms. [11] Furthermore, Klinefelter syndrome can be diagnosed as a coincidental prenatal finding in the context of invasive prenatal diagnosis (amniocentesis, chorionic villus sampling). The most common reason for diagnosis after the onset of puberty is fertility testing, and they're usually found to be infertile. Each case must be assessed individually. [3][9] Often, symptoms are subtle and subjects do not realize they are affected. Xxy chromosome : A friend of mine has just found out her baby boy carries an extra X chromosome from the genea blood test. Klinefelter syndrome is the most common cause of non-obstructive or secretory azoospermia in males. Klinefelter syndrome (KS), also known as 47,XXY is the set of symptoms that result from two or more X chromosomes in males. Many boys with XYY syndrome are healthy and have no obvious symptoms. But I was so terrified of how this would affect his life, his friendships, his relationships, and his development – everything. working on her first novel. Physical characteristics of a Klinefelter syndrome can be tall stature, low body hair and occasionally an enlargement of the breast. Recent information indicates there may be a greater chance of recovering viable sperms from XXY boys for storage later in life. In some cases, sperm can be extracted directly from the testicles through a testicular biopsy. [9], The genetic variation is irreversible, thus there is no causal therapy. In this case, they are called mosaic embryos. FAQs from users: 'Is pregnancy possible with Klinefelter syndrome? I found out when i was having my first child (I'm male) that I had xxy. XYY syndrome is not caused by anything the parents did or did not do. I was thought to have petit mal epilepsy, and took medication for it treatment, that had no effect at all, apart from giving me a really bad mood, which was not helpful. Reprod. Y chromosome. It may be even worth a professional study. Double Degree in Biology and Biochemistry from the University of Navarra. Studies on this suggest homosexuality is just as common in men who have the more common XY chromosome arrangement. [18] Gynecomastia is present in about a third of affected individuals, a slightly higher percentage than in the XY population. [34] However, in XXY males, a few genes located in the pseudoautosomal regions of their X chromosomes have corresponding genes on their Y chromosome and are capable of being expressed.[35].

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