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A member asked:
What is the procedure to test for kleinfelter's?
12 doctors weighed in across 2 answers
Chromosomal analysis: Kleinfelter syndrome is caused by an extra x chromosome in males (47, xxy). It can be suspected on physical exam because of several somatic features including small testis in post pubertal males. Definitive diagnosis requires chromosomal analysis.
Answered 2/11/2014
6.3k views
Genetic testing: Although you may have low testosterone levels or elevated levels of LH and/or FSH (which are the signals from your pituitary gland which stimulate testosterone production) the most accurate test is a karyotype, which will usually show a 47,XXY pattern, which means you have two X chromosomes and one Y chromosome, if you have Klinefelter's.
Answered 5/20/2018
338 views
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