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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
Blood for the test must be taken in the morning hours, when levels are highest, as levels can drop by as much as 13% during the day and all normal reference ranges are based on morning levels. [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 ...
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 testosterone to fluctuate throughout your ...
Normal testosterone levels in males who have not yet hit puberty are less than 20 nanograms per deciliter. Low testosterone can be defined as hypogonadism in people with testes. Hypogonadism in people with testes is established as the hormonal inhibition of testosterone that can either be inherited or acquired at a later stage in life.
Hone Health reports on the factors responsible for testosterone levels in men and how they are affected by age and lifestyle.
So-called normal levels of testosterone are approximations, but can help researchers investigate disease and treatments. So-called normal levels of testosterone are approximations, but can help ...
Testosterone levels play a major role in risk-taking during financial decisions. [93] [94] Higher testosterone levels in men reduce the risk of becoming or staying unemployed. [95] Research has also found that heightened levels of testosterone and cortisol are associated with an increased risk of impulsive and violent criminal behavior. [96]
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.