Has anyone else experienced this she doesn't know what to do and I want help as I am expecting too. But when the egg or sperm cell is developing, there could be errors, which can result in a fetus having 47 chromosomes instead of 46. NT scan was beautiful and now this. If one of these reproductive cells contributes to the genetic makeup of a child, the child will have an extra X chromosome in each of the body's cells. - BabyCenter Australia For example, an egg or sperm cell may gain an extra copy of the X chromosome as a result of nondisjunction. Sex chromosome abnormalities like XYY syndrome are some of the most common chromosome abnormalities. 46,XX/47,XXX mosaicism is also not inherited. Before you even know the gender of your baby, you are likely feeling so bonded and attached to the soul growing inside of your body. XXY syndrome, also called Klinefelter syndrome, is a fairly common genetic condition. Genetic material, or DNA, is contained in tiny structures called chromosomes found inside the body's cells. We received our Panorama results as Low Risk but final summary states, Pattern is Suggestive of XXY or Klinefelter Syndrome.I've been a mess. Klinefelter or XXY syndrome is a genetic disease that causes babies to be born with an extra X chromosome. The syndrome can affect different stages of language, physical, and social development. Xxy chromosome : A friend of mine has just found out her baby boy carries an extra X chromosome from the genea blood test. A baby’s gender is determined by the sperm cell that fertilizes a woman’s egg. Some individuals, however, have an additional X chromosome in their chromosomal arrangement, referred to as 47,XXY, or more commonly, just XXY. It happens when a boy is born with an extra sex chromosome in most or all of his cells. Definition. Females have an XX pair of sex chromosomes, and males, an XY pair. XXY chromosomes, or more accurately, the XXY chromosomal structure or pattern, when recognized, can create varied symptoms. Baby Boy Born With Klinefelter XXY Creating life is an incredibly intricate and personal thing. How a Baby’s XX Gender or XY Gender is Determined. XXYY Syndrome is the name attached to the cluster of symptoms that arise as a result of the 48,XXYY chromosome pattern. Klinefelter syndrome (47, XXY) is a condition that occurs in men who have an extra X chromosome, resulting in an XXY sex chromosome karyotype. 48,XXYY is one of several types of sex chromosome variations, including those that are considered as variants of Klinefelter Syndrome, 47,XXY and XXXY, XXXXY, XY/XXY and another syndrome called XYY, all of which affect males. To … We met with a genetic counselor 2 weeks ago and I went ahead and had an amnio … Normally, a baby inherits 23 chromosomes from each parent, for a total of 46. Any advice?? Sperm carries one sex chromosome, either a Y (male) or X (female). These are not always expressed and the condition is not always recognized. The cause is unknown, yet XXY occurs in approximately 1 in every 650 live births, making it one of the most common chromosome variations. Even though the 47, XXY trisomy is the most common type, it is also possible to find males with abnormalities like 48,XXXY and 49,XXXXY in 20% of the cases approximately. As a result, the baby has three sex chromosomes instead of 2, with male sex.. You might have just been told about the diagnosis of your xxy baby as … XXY Baby is born This is to the mothers who are really struggling and not understanding what it means to have a baby ready to see the world diagnosed with Klinefelter syndrome or XXY. It is estimated that 3,000 affected boys are … , or more accurately, the xxy chromosomal structure or pattern, when recognized, can create varied symptoms is. 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