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• It is advisable to take blood samples after 10-15 minutes of rest at the time recommended by the doctor;

• blood is donated on an empty stomach;

• avoid physical exertion 2-3 days before the examination;

• it is not recommended to conduct research during acute illnesses;

• it is recommended to take the test on a certain day of the menstrual cycle as prescribed by a doctor;

• pregnant women – indicate the exact weight, height, gestational age, and a copy of the ultrasound scan;

Free Testosterone Index and Hormone Panel: Reproductive Function Diagnostics

Reproductive function is important for the health of both men and women. Hormonal balance plays a key role in maintaining reproductive health. One hormone that is of great importance in men is testosterone. An important aspect of assessing testosterone levels is its free form and its interaction with proteins such as sex steroid-binding globulin (SHBG).

What are testosterone and SHBG?

Testosterone is a hormone produced in the male gonads, primarily the testicles, and is responsible for many aspects of male health. It affects sexual function, muscle mass, bone mass, heart health, as well as mood and energy.

SHBG (sex hormone-binding globulin) is a protein produced in the liver that is responsible for transporting many steroid hormones, including testosterone. It binds to testosterone and carries it to various organs and tissues where the hormone can perform its functions. However, not all testosterone bound to SHBG is available for use by the body. Only free testosterone can be biologically active.

Why is the free testosterone index important?

Evaluating free testosterone levels is important for many aspects of men's health:

Sexual function: Free testosterone plays a key role in maintaining sexual function. Low levels of this hormone can lead to problems with erections and libido.
Muscle mass and strength: Testosterone promotes muscle growth and strength, so it is important to have sufficient levels of free testosterone to support physical activity.
Bone health: Low testosterone levels can lead to bone loss and the development of osteoporosis.
Heart health: Some studies show that low testosterone levels may be linked to the risk of heart disease.
Mood and energyTestosterone can also affect mood and energy levels. Low levels can lead to depression and fatigue.

How is the free testosterone index and hormone panel analysis performed?

A blood test is performed to determine the level of free testosterone and other hormones. In routine tests, total testosterone levels are assessed, as well as SHBG levels. From this data, a free testosterone index can be calculated. The free testosterone index is expressed as a percentage and indicates how much testosterone is free for the body to use.

After receiving the test results, your doctor can determine if your testosterone levels need to be corrected. This may include hormone therapy or lifestyle changes, such as changes in diet and exercise.

Conclusion

The free testosterone index and hormone panel are important tools for diagnosing reproductive function and overall male health. Regular testing and appropriate medical consultation can help identify and address problems with testosterone and other hormones in a timely manner, ensuring optimal body functioning and maintaining overall health and quality of life.