Endocrine Abstracts

Congenital hypogonadotropic hypogonadism is characterized by delayed or absent puberty and infertility due to abnormally low levels of gonadotropic hormones and sex steroids. The most common reason for its development is Kallmann syndrome - a rare congenital disorder resulting from impaired migration of GnRH-secreting neurons from the olfactory epithelium to the hypothalamus. It is associated with hyposmia and anosmia. In 1942 Klinefelter described 9 men with gynecomastia, spa...