Testosterone Hormone

Testosterone Hormone

Testosterone Hormone, Testosterone a male hormone, is responsible for sperm production and the development of male secondary sex characteristics. For example, hair growth on the face, hair below the armpit, hair below the belly, hair on the chest, and a heavy voice, the skull and body structure of men are heavier than women just because of this hormone.

In women: Testosterone is also present but in very minute amounts so small amounts of testosterone are secreted by the ovaries and adrenal glands in women. So sometimes this test is also indicated in women when its level increased but in men, the level when increased or decreased both are related to medical conditions.

Types of Testosterone

One type of Testosterone is attached to the body with protein and the other type of testosterone is not attached with protein and is freely present so this one is called Total Testosterone.

1- Total Testosterone:

  • Total Testosterone measured both attached and free testosterone.

2- Free Testosterone:

Free testosterone is more important than total testosterone

  • Free testosterone just measured free Testosterone in the body and it gives more information about certain medical conditions.
  • Adult Males: 280-1100 ng/dl
  • Adult Women:15-70 ng/dl
  • Adult Males: 32-168 pg/ml
  • Adult Women: 1-5 pg/ml

Increased Testosterone Condition in Men

  • Adrenal hyperplasia
  • Adrenal gland Tumor
  • Testicular Tumors
  • Young men with an excess of this hormone may display precocious puberty and sexual behavior.

Low Testosterone Condition in Men

Increased Testosterone Conditions in Women

Specimen Collection

  • Collect 3 to 5 ml of blood in Red Top or Gel Tube
  • Centrifuge the blood sample
  • Separate the serum and use it for the Test


  1. What is testosterone?
    • Testosterone is a male sex hormone (androgen) that is also present in females, albeit in smaller amounts. It plays a vital role in the development of male reproductive tissues and the maintenance of male characteristics, such as facial hair and a deep voice.
  2. What is the function of testosterone?
    • Testosterone is involved in the development of male reproductive tissues, including the testes and prostate. It also contributes to the development of secondary sexual characteristics like facial and body hair, deepening of the voice, and increased muscle mass. Additionally, testosterone plays a role in maintaining bone density, red blood cell production, and overall well-being.
  3. How is testosterone produced?
    • Testosterone is primarily produced in the testes in men and smaller amounts in the ovaries in women. The adrenal glands also produce a small amount of testosterone in both sexes.
  4. What factors can affect testosterone levels?
    • Various factors can influence testosterone levels, including age, genetics, diet, exercise, sleep, and overall health. Stress, obesity, and certain medical conditions can also impact testosterone production.
  5. What are the symptoms of low testosterone?
    • Symptoms of low testosterone (hypogonadism) may include fatigue, reduced libido, erectile dysfunction, decreased muscle mass, increased body fat, mood changes, and diminished cognitive abilities.
  6. How is low testosterone diagnosed?
    • A blood test is typically used to measure testosterone levels. Low testosterone is diagnosed when levels fall below the normal range, and symptoms are present.
  7. Can testosterone levels be increased naturally?
    • Yes, certain lifestyle changes can help boost testosterone levels naturally. These include regular exercise, a healthy diet rich in nutrients like zinc and vitamin D, getting enough sleep, and managing stress.
  8. What are the treatment options for low testosterone?
    • Treatment options may include testosterone replacement therapy (TRT), which can be administered through injections, gels, patches, or pellets. Lifestyle changes and addressing underlying health issues may also be recommended.
  9. Is testosterone only important for men?
    • While testosterone is often associated with male characteristics, it also plays a role in women’s health. Women have lower levels of testosterone than men, but it is essential for maintaining bone density, muscle mass, and overall well-being.
  10. Are there risks associated with high testosterone levels?
    • Yes, excessively high testosterone levels can lead to various health issues, including acne, mood swings, aggression, and an increased risk of cardiovascular problems. It’s essential to maintain testosterone levels within the normal range for optimal health.

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