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  2. 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

  3. 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 ...

  4. What are normal testosterone levels by age? - AOL

    www.aol.com/news/normal-testosterone-levels-age...

    What is the Normal Testosterone Level for a 70-Year-Old Man? 156–819 ng/dL The researchers also broke the data down into normal levels of free testosterone and bioavailable testosterone.

  5. 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.

  6. 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 ...

  7. Hypogonadism - Wikipedia

    en.wikipedia.org/wiki/Hypogonadism

    Some men with normal total testosterone have low free or bioavailable testosterone levels which could still account for their symptoms. Men with low serum testosterone levels should have other hormones checked, particularly luteinizing hormone to help determine why their testosterone levels are low and help choose the most appropriate treatment ...

  8. Testosterone - Wikipedia

    en.wikipedia.org/wiki/Testosterone

    Testosterone is the primary male sex hormone and androgen in males. [3] In humans, testosterone plays a key role in the development of male reproductive tissues such as testicles and prostate, as well as promoting secondary sexual characteristics such as increased muscle and bone mass, and the growth of body hair.

  9. Men should know their testosterone levels by age 30 to ... - AOL

    www.aol.com/news/men-know-testosterone-levels...

    Dips in testosterone can cause low libido, brain fog, depression, and muscle loss, but it's pivotal you know your normal range, a doctor says.

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