Male hypogonadism is a deficiency in the sex hormone testosterone in adult males and male children. Also known as ...

Secondary hypogonadism is when hormone production is caused by problems in brain signaling. In these cases, also known as hypogonadotropic hypogonadism, the activity of the pituitary gland (which ...

Normosmic idiopathic hypogonadotropic hypogonadism (IHH) and Kallmann syndrome are rare congenital forms of secondary hypogonadism characterized by delayed or absent sexual development.

Hyperthyroidism and hypogonadism recurred after 5 years, therefore, treatment with lanreotide was initiated, and resulted in complete resolution of signs and symptoms of the disease. In 1998 ...