Klinefelter syndrome (KS), also known as 47,XXY, is a chromosome anomaly where a male has an extra X chromosome. [10] These complications commonly include infertility and small, poorly functioning testicles (if present).

由于克氏综合征患者（47，XXY）比正常的男性（46，XY）多了一条X染色体，是一种先天性疾病，曾经被大多数医生认为没有治疗价值，不可能获得自己的亲生孩子，然而，随着显微取精手术的出现，这种观点发生了翻天覆地的改变。 如果克氏征患者通过显微取精手术能够取得精子，那么就有可能通过 辅助生殖技术 生育自己的孩子。 另外，部分克氏综合征的患者在青春期早期是会自行排精的，如能早期确认克氏综合征，对这部分患者采取自精冻存，对将来的生育是一道强有力 …

2025年3月4日 · XXY syndrome, also known as Klinefelter syndrome (KS), is a genetic condition c haracterized by the presence of an extra X chromosome (47, XXY). Humans have 22 pairs of numbered chromosomes and one pair of sex chromosomes, resulting in a …

2024年10月28日 · Klinefelter syndrome is a genetic condition in which a boy is born with an extra X chromosome. Instead of the typical XY chromosomes in men, they have XXY, so this condition is also...

2019年5月19日 · Most often, Klinefelter syndrome is the result of one extra X (written as XXY). Occasionally, variations of the XXY chromosome count may occur, the most common being the XY/XXY mosaic. In this variation, some of the cells in the male's body have an additional X chromosome, and the rest have the normal XY chromosome count.

Many boys with Klinefelter syndrome — also known as XXY syndrome — have no signs or symptoms, and some don't even know they have it until later in life. The XXY condition that causes Klinefelter syndrome can't be changed, but medical treatment and working with therapists can help a boy's development and lessen the condition's effects.

Klinefelter syndrome, also called 47,XXY, is a chromosomal condition that affects male development. The signs and symptoms of Klinefelter syndrome vary. In some cases, the features are so mild that the condition is not diagnosed until puberty or adulthood.

克莱恩费尔特综合症，是一种性染色体异常所致的疾病。也称为先天性曲细精管发育不全，为男性性腺功能低下疾患，系高促性腺激素性性腺功能低下。其典型染色体核型为47，xxy，非典型染色体核型为48，xxxy；49，xxxxy…

Living with XXY is changing the way the world learns about Klinefelter syndrome/47 XXY. Focusing on community, awareness, and positive traits. WHAT ARE THE CHALLENGES WE FACE? Between 1-400 to 1-650– Males are born with Klinefelter syndrome. Only 35% will be diagnosed at some point in their lifetime, 75% will never know.

47,XXY, also referred to as Klinefelter syndrome, is a common chromosomal disorder. Rather than the usual pattern of 46 chromosomes, with one X chromosome and one Y chromosome, there is an additional X chromosome, resulting in a genetic signature of 47,XXY.