Typical testosterone levels in males and females

September 17, 2018

The amount of testosterone a person has in their body can vary throughout their life.

Levels depend on a person’s age, sex, and health. Males usually have much higher levels of testosterone in their body than females.

Testosterone is a hormone known as an androgen. Although primarily known as a male sex hormone, females also need certain levels of testosterone. However, most testosterone converts into the sex hormone estradiol in the female body.

In males, the testes produce testosterone, and the ovaries produce testosterone in females.

The adrenal glands also produce small amounts of testosterone in both sexes.

Testosterone in males is important for:

  • development during puberty
  • sperm creation
  • strengthening of muscles and bones
  • sex drive

Testosterone in females is essential for:

  • maintaining levels of other hormones
  • sex drive and fertility
  • making new blood cells

There is a link between low testosterone and sex drive and fertility for both sexes.

The body controls testosterone levels naturally and having low testosterone levels is more common than having high testosterone levels.

Typical testosterone levels

Testosterone blood test to measure testosterone levels

Low testosterone levels are more common than high levels.

Doctors measure testosterone in nanograms per deciliter (ng/dl).

The following tables show healthy levels of total testosterone in the body. Levels fall within a range for each age bracket.

People will have different levels of testosterone within this healthy range.

Infants and children

Age Male (in ng/dl) Female (in ng/dl)
0 to 5 months 75-400 20-80
6 months to 9 years Less than 7-20 Less than 7-20
10 to 11 years Less than 7-130 Less than 7-44


Age Male (in ng/dl) Female (in ng/dl)
12 to 13 years Less than 7-800 Less than 7-75
14 years Less than 7-1,200 Less than 7-75
15 to 16 years 100-1,200 Less than 7-75


Age Male (in ng/dl) Female (in ng/dl)
17 to 18 years 300-1,200 20-75
19 years and older 240-950 8-60

Doctors may also measure testosterone alongside Tanner staging.

The Tanner scale tracks the visual development of children during puberty according to five fixed stages rather than a person’s specific age.

For example, stage II of the Tanner scale relates to the growth of a boy’s testicles or the development of breast buds in a girl, but it does not refer to their actual age.

Because hormone levels change rapidly during puberty and development can happen at different ages for different people, the Tanner scale is a more accurate way to judge changes during puberty than referring to age.

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

Tanner stage Male (in ng/dl) Female (in ng/dl)
I Less than 7-20 Less than 7-20
II 8-66 Less than 7-47
III 26-800 17-75
IV 85-1,200 20-75
V 300-950 12-60


Low testosterone levels

woman awake in bed next to partner worrying about sex after hysterectomy

A testosterone deficiency in the womb can affect the development of a male fetus. It can also affect male puberty, and it may slow or stop a person’s growth or development.

Hormone levels change for both males and females as they age. Females experience a more dramatic change in hormones, with levels falling until a female reaches menopause. Males experience a more gradual change in hormone levels.

Testosterone levels decrease naturally with age in both sexes.

In males, lower testosterone levels can lead to:

  • hair loss (including on the body and face)
  • reduced muscle tone
  • more fragile skin
  • a reduced sex drive
  • disturbed mood
  • memory or concentration problems

Low testosterone levels in females can lead to:

  • irregular or missed periods
  • low sex drive
  • vaginal dryness
  • weak bones
  • fertility problems

However, more research into the effects of low testosterone on the body as people age is needed.

Testing and diagnosis

nurse taking a blood sample for a chloride blood test

A doctor may order a blood test to diagnose low or high testosterone.

Anyone who suspects that their testosterone levels are high or low should see their doctor or get tested.

To diagnose low or high testosterone, a doctor will ask about a person’s medical history, do a physical examination, and order some tests.

In males, a doctor might:

  • discuss any use of steroids or opiates
  • talk about a person’s development at puberty
  • measure their BMI and waist size
  • check hair for any pattern of baldness
  • check the size of the testicle and prostate gland

In females, a doctor will usually need to check or ask questions about:

  • menstruation
  • acne or skin conditions
  • body or facial hair
  • muscle bulk

For adolescents, a doctor will look for signs of puberty.

Total testosterone level test

The total testosterone level test is a blood test. The best time to have the test is in the morning when levels of testosterone in the blood are usually highest. However, testosterone levels vary throughout the day, so some people may need to have the test again to confirm the result.

Treatment options and takeaway

Treatment will depend on the underlying health condition.

It is possible to treat males for low testosterone levels with an injection or prescription gel. People using this treatment long-term could experience potentially severe side effects, such as an increased risk for heart problems.

Females who develop PCOS might be able to treat their symptoms with weight loss, hormonal contraception, and fertility treatment if needed.


Source: https://www.medicalnewstoday.com/articles/323085.php

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