Pathology Laboratory

Testosterone Functions in our Body

Testosterone is a hormone that helps determine the physical and sexual characteristics of men and boys. Testosterone is a hormone found in both men and women, and it’s sometimes called the male hormone.

Testosterone test is also known as a serum testosterone test.

Testosterone is a steroid hormone from the androgen group, secreted from the testes in males and from the adrenal glands in females, and going under many names; “The Man Hormone”, “The Male Hormone”,.

Understanding Testosterone level test

Testosterone level test is also called a T test or testosterone test.

Testosterone is an androgen, or a sex hormone, produced by both males and females. It plays a role in puberty and fertility. It also affects sexual desire. In males, the testes produce most of the testosterone. In females, the production of testosterone occurs mostly in the ovaries. Males have higher levels of testosterone than females. Doctors believe that testosterone has a significant influence on the development of many traits, including:

  • increased muscle bulk
  • higher bone mass
  • physical strength
  • body hair

However, the hormone plays an important role in women as well, including their reproductive health and the ability to feel sexual arousal.

Understand the testosterone function in our body

Your doctor may refer to testosterone function test for a variety of reasons;

Testosterone in males

One common reason to order this test is early or delayed puberty. The test may also be necessary if your doctor suspects you may have low hormone levels. A low level of testosterone in a male is also known as hypogonadism.

The symptoms of hypogonadism in a male include:

  • decreased body hair
  • decreased muscle mass
  • a low sex drive
  • erectile dysfunction
  • the growth of breast tissue, or gynecomastia

Some other probable causes of having low testosterone include:

  • delayed puberty
  • testicular damage, which can be caused by trauma, alcoholism, or the mumps
  • a hypothalamic disease
  • a pituitary disease
  • a noncancerous pituitary tumour

Several genetic diseases can also affect testosterone levels, including Klinefelter’s syndrome, Kallmann’s syndrome, and myotonic dystrophy.

It’s also possible for a male to have too much testosterone. High testosterone levels can be problematic. Too much of this hormone can result from:

  • early, or precocious, puberty
  • hyperthyroidism, or overactive thyroid
  • anabolic steroids
  • congenital adrenal hyperplasia
  • androgen insensitivity syndrome
  • a testicular tumour
  • an adrenal tumour

Testosterone in females

Your doctor will rarely refer to testosterone level tests if you’re a female and usually refer if they suspect you have a high level of this hormone. Too much testosterone in a female can lead to:

There are several reasons a female may have too much testosterone, including:

  • polycystic ovarian syndrome
  • congenital adrenocortical hyperplasia
  • ovarian cancer or a tumour
  • an adrenal tumour

Serum testosterone test preparation

Certain drugs can affect your testosterone levels and change the results of a testosterone test. It’s important to inform your doctor about all medications you’re taking, including over-the-counter and prescription drugs. Your doctor may ask you to stop certain drugs before your test.

Medications that may affect this test include:

  • androgen therapy
  • steroids
  • anticonvulsants
  • barbiturates
  • clomiphene
  • estrogen therapy

Your doctor may specify a time of day for your test. Because hormone levels are highest in the morning, you may need to take this test between 7 a.m. and 10 a.m.

Your doctor may also ask you to have repeat testing, which can track hormone changes throughout the day.

Learn about progesterone hormone

Normal testosterone level according to your age

It’s normal for you to have changed to your level of testosterone throughout your life. The normal level of testosterone for your age and sex is as follows;

Know your blood testosterone normal range
AgeMaleFemale
0-5 months75-40020-80
6 months-9 years<7-20<7-20
10–11 years<7-1307-44
12-13 years<7-800<7-75
14 years7-1200<7-75
15-16 years100-1200<7-75
17-18 years300-120020-75
19 years and up240-9508-60

Testosterone levels can decrease naturally because of your age or other health conditions. After the age of 40, men’s testosterone levels usually decrease at least 1 percent every year. Some symptoms of low testosterone, particularly erectile dysfunction, are commonly seen in men over 40. Low testosterone levels have often been observed in people with obesity, no matter their age.

The most common testosterone-related problem in men is hypogonadism, also called low testosterone. Your testosterone level may be abnormally low if you have one or more of the following symptoms:

  • decreased sex drive
  • inability to achieve an erection (erectile dysfunction)
  • inability to conceive a child
  • overall tiredness

Women with too much testosterone may grow facial hair, develop a deeper voice, or experience decreased breast size. Too much testosterone in women can also cause acne. Too much testosterone in women can result from polycystic ovary syndrome (PCOS), which can make it difficult to get pregnant and interfere with menstruation.

Abnormally high or low levels of testosterone in men and women can show other serious conditions. High testosterone levels can show ovarian or testicular cancer. Low testosterone levels can show chronic illness or a problem with the pituitary gland, which releases hormones.

In infant boys and girls, signs of abnormal testosterone levels may be more extreme. Testosterone tests are often ordered for boys and girls who aren’t developing properly or when parents notice delayed puberty in both boys and girls. Boys with low testosterone may grow slowly, with no body hair and poorly developed muscles. Girls with high testosterone may have delayed menstruation or too much body hair. Boys with high testosterone may enter puberty early and robustly.

Conclusion

The testosterone function test is the most important in the series of hormone tests. It is a powerful tool to confirm important symptoms and guide treatment.

Source: myvmc

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