Kallmann syndrome is a disorder which results in the failure to start or complete puberty.
It is shown by hypogonadism (low lcirculating sex related hormones) and by reduced or lack of smell .
Klinefelter's syndrome is a disorder in which there is at least one extra x chromosome causing hypogonadism and reduced fertility.
The w/u includes fsh, lh, testosterone and genetics. Please see endo.
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