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  2. What Is Low Testosterone & What Causes It? - AOL

    www.aol.com/low-testosterone-causes-125700734.html

    A clinical diagnosis of testosterone deficiency should only be made when patients have low levels of testosterone combined with symptoms and/or signs of low T. Signs and Symptoms of Low Testosterone.

  3. Late-onset hypogonadism - Wikipedia

    en.wikipedia.org/wiki/Late-onset_hypogonadism

    As of 2016, the International Society for the Study of the Aging Male defines late-onset hypogonadism as a series of symptoms in older adults related to testosterone deficiency that combines features of both primary and secondary hypogonadism; the European Male Aging Study (a prospective study of ~3000 men) [10] defined the condition by the presence of at least three sexual symptoms (e.g ...

  4. Hypogonadism - Wikipedia

    en.wikipedia.org/wiki/Hypogonadism

    [9] [10] Normal total testosterone levels depend on the man's age but generally range from 240 to 950 ng/dL (nanograms per deciliter) or 8.3–32.9 nmol/L (nanomoles per liter). [11] According to American Urological Association, the diagnosis of low testosterone can be supported when the total testosterone level is below 300 ng/dl. [12]

  5. 17β-Hydroxysteroid dehydrogenase III deficiency - Wikipedia

    en.wikipedia.org/wiki/17β-Hydroxysteroid...

    Biochemical effects of 17β-hydroxysteroid deficiency-3 in testosterone biosynthesis. Typically levels of androstenedione are significantly increased, whilst testosterone levels are decreased, leading to male undervirilization. Symptoms: Hypothyroidism, Cryptorchidism [2] Causes: Mutations found in the 17β-HSD III gene [3] Diagnostic method

  6. 8 major factors that cause low testosterone levels - AOL

    www.aol.com/lifestyle/8-major-factors-cause-low...

    You're considered to have a testosterone deficiency or low testosterone (also known as low-T) when your levels are less than 300 nanograms per deciliter (ng/dL), according to AUA; other guidelines ...

  7. ICD-10 - Wikipedia

    en.wikipedia.org/wiki/ICD-10

    ICD-10 is the 10th revision of the International Classification of Diseases (ICD), a medical classification list by the World Health Organization (WHO). It contains codes for diseases, signs and symptoms, abnormal findings, complaints, social circumstances, and external causes of injury or diseases. [1]

  8. 13 sneaky signs your testosterone is too low

    www.aol.com/13-sneaky-signs-testosterone-too...

    Hone Health reports that if your levels of testosterone drop below 300 ng/dL and you experience unpleasant signs of low testosterone, you officially have a medical condition known as testosterone ...

  9. XXYY syndrome - Wikipedia

    en.wikipedia.org/wiki/XXYY_syndrome

    48,XXYY syndrome is a condition related to the X and Y chromosomes (the sex chromosomes). People normally have 46 chromosomes in each cell.Two of the 46 chromosomes, known as X and Y, are called sex chromosomes because they help determine whether a person will develop male or female sex characteristics.