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A 41-year-old member asked:

how do i know if i have klinefelter syndrome?

1 doctor answer2 doctors weighed in
Dr. Alfredo Garcia
Pediatrics 56 years experience
Klinefelter syndrome: Klinefelter syndrome occurs only in men and is defined classically by a 47, XXY karyotype instead of the usual male sex complement (genotype xy). These males have enlarged breasts, sparse facial and body hair, small testes, an inability to produce sperm, some mental retardation and psycho-social problems. One has to be evaluated by both an endocrinologist and a geneticist.
Dr. Johanna Fricke
Developmental and Behavioral Pediatrics 50 years experience
More have average IQ's & language-based learning disabilities & ADHD than Intellectual Disability.
Nov 17, 2012

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A 35-year-old member asked:

Is XXY klinefelter's syndrome related at all to marfan's syndrome?

2 doctor answers10 doctors weighed in
Dr. Robert Kwok
Pediatrics 33 years experience
No: Klinefelter syndrome is a group of features seen in some males with an extra x chromosome (they are xxy). A klinefelter syndrome male tends to be taller than expected compared to his father and brothers. Klinefelter syndrome is not related to Marfan syndrome.
A 53-year-old member asked:

Can a man with kleinfelter's do anything to fix their genome?

2 doctor answers6 doctors weighed in
Dr. Ankush Bansal
Internal Medicine 17 years experience
No: This is a genetic abnormality, actually a chromosomal abnormality. No treatment exists yet for fixing it. But some of the effects of klinefelter's can be managed.
A 47-year-old member asked:

What is the genetic reason for causing kleinfelter's?

2 doctor answers3 doctors weighed in
Dr. Golder Wilson
Specializes in Clinical Genetics
Extra X in men: Klinefelter syndrome is usually caused by an extra x chromosome in males, changing their normal 46, xy chromosome constitution to 47, xxy. The extra x causes tall stature with an asthenic build, underdevelopment of the testis and infertility. Sometimes there is more than one x, like 48, xxxy, often causing intellectual disability. The extra chromosome is a chance occurrence.
A 45-year-old member asked:

Does anyone know about klinefelter syndrome?

2 doctor answers2 doctors weighed in
Dr. Samuel Freedman
Pediatrics 9 years experience
Klinefelter : Klinefelter syndrome is a chromosomal abnormality in which a male has an extra x-chromosome in his cells. This usually leads to tall stature, wide hips, gynecomastiathis ie breast tissue, low testosterone, small penis size, small testicles, some learning issues. There is a klinefelter syndrome society website full of info. Kss.Org check it out.
A 42-year-old member asked:

Do you know if XXY klinefelter's syndrome related to marfan's syndrome?

1 doctor answer2 doctors weighed in
Dr. Ed Friedlander
Pathology 44 years experience
Superficially: Both tend to make the person tall and slender. Neither causes the other.

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Last updated Jan 15, 2015

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