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  2. What Free Testosterone Is, and Why it Matters - AOL

    www.aol.com/free-testosterone-why-matters...

    But when considering calculated free testosterone, luteinizing hormones, and sex hormone-binding globulin levels, up to 20.2 percent of men would qualify as having subsets of the condition, like ...

  3. Is Testosterone The Missing Piece Of The Menopause Puzzle? - AOL

    www.aol.com/testosterone-missing-piece-menopause...

    ‘We have high levels of testosterone in our 20s, but after the age of 30, levels naturally decline by approximately 1% per year - unless you have a surgically-induced menopause, during which ...

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

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

    What Are Normal Testosterone Levels? The standard range for normal testosterone (eugonadal) levels in men is 300 to 1,000 nanograms per deciliter (ng/dL). But it’s totally normal for your ...

  5. Template:Testosterone levels in males and females - Wikipedia

    en.wikipedia.org/wiki/Template:Testosterone...

    Testosterone levels in males and females ; Total testosterone Stage Age range Male Female Values SI units Values SI units ; Infant: Premature (26–28 weeks) 59–125 ng/dL: 2.047–4.337 nmol/L

  6. Hypogonadism - Wikipedia

    en.wikipedia.org/wiki/Hypogonadism

    Treatment is often prescribed for total testosterone levels below 230 ng/dL with symptoms. [13] If the serum total testosterone level is between 230 and 350 ng/dL, free or bioavailable testosterone should be checked as they are frequently low when the total is marginal. [citation needed]

  7. Free androgen index - Wikipedia

    en.wikipedia.org/wiki/Free_androgen_index

    The free androgen index is intended to give a guide to the free testosterone level, but it is not very accurate (especially in males — see endocrine society commentary below). Consequently, there are no universally agreed 'normal ranges', and levels slightly above or below quoted laboratory reference ranges may not be clinically significant.

  8. 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 ...

  9. Pharmacokinetics of testosterone - Wikipedia

    en.wikipedia.org/wiki/Pharmacokinetics_of...

    In women with polycystic ovary syndrome (PCOS), a condition of androgen excess, testosterone levels are typically around 50 to 80 ng/dL, with a range of about 30 to 140 ng/dL. [9] [10] [7] Total testosterone levels are about 20-fold and free testosterone levels about 40-fold higher in men than in women on average. [11]