What is Testosterone?

Testosterone is a hormone produced by testicles in men and ovaries in women. Testosterone is not only a sex hormone but also plays a vital role in the health and disease of both women and men. What? Do women need Testosterone? Yes, not only men but also women need testosterone. Let’s dig deep into the roles of testosterone in men and women.

Role of  Testosterone in men

All of us know that testosterone is a major sex hormone in males but it also helps in:

  1. Production of Sperm.
  2. Increase in Sex Drive.
  3. Development of muscles.
  4. Growth of hair.
  5. The appearance of facial and pubic hair starting at puberty.
  6. Deepening of voice.
  7. Growth of bones and strength.
  8.  Size of penis and testis.

There are many other significant functions of Testosterone that aren’t discovered yet.

Role of Testosterone in Women

If you think that testosterone is only important in men you are wrong, it plays an important role in women’s health. In women, testosterone is produced by the ovaries, adrenal glands, fat cells, and skin cells. Testosterone helps women in 

  1.  Maintaining Bone Health.
  2.  Increase Sex Drive.
  3.  Maintain Vaginal and Menstrual health.
  4. Development of bones and breast.
  5. Fertility.

In the female, the testosterone produced in excess is converted into female sex hormones.

Levels of testosterone in Men and Women

Recent guidelines from the American Urological Association (AUA), show that the normal levels of testosterone in men is 300 at least 300 nanograms per deciliter (ng/dL) and in the female, it is between 8 to 60 ng/dL according to Mayo Clinic Labs.

But the levels of testosterone also depends on the age of both the genders. Let’s see the normal levels of testosterone according to age in both the genders:

Infants and Children Testosterone Levels

AgeMale (in ng/dl)Female (in ng/dl)
0 to 5 months75-40020-80
6 months to 9 yearsLess than 7-20Less than 7-20
10 to 11 yearsLess than 7-130Less than 7-44

Testosterone levels in Adolescents

AgeMale (in ng/dl)Female (in ng/dl)
12 to 13 yearsLess than 7-800Less than 7-75
14 yearsLess than 7-1,200Less than 7-75
15 to 16 years100-1,200Less than 7-75

Testosterone levels in Adults

AgeMale (in ng/dl)Female (in ng/dl)
17 to 18 years300-1,20020-75
19 years and older240-9508-60

The levels of testosterone are also measured according to the tanner stage.

The tanner scale has the five stages and it records the various functionalities of testosterone and visualizes the development of children during puberty.

According to the Tanner scale, healthy testosterone levels are as follows:

Tanner stageMale (in ng/dl)Female (in ng/dl)
ILess than 7-20Less than 7-20
II8-66Less than 7-47

As we already discussed the normal levels of testosterone in men are 300 ng/dl and 8-60 ng/dl, anything lower than these levels 300ng/dl in men and 8ng/dl in women are considered as Low Testosterone or Low T. The low levels of testosterone can be treated by talking to your physician.

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