Testosterone levels explode in men after puberty and continue to rise until about age 40. Overall, this test will give you a better understanding of how much testosterone is in your blood. Prices vary by location, please select your location to view local pricing. Androgen and reproductive evaluation in males. Declining testosterone levels in men over 45 is common 1 and is often the cause of erectile dysfunction (ED). Androgen deficiency, or hypogonadism, affects roughly 40% of men aged 45 or older. 2. Two-thirds of these men present with symptoms. Things You Should Know. Visit a doctor to get your blood drawn and tested for low testosterone. The doctor may also do a physical exam and ask you questions about symptoms. Ask your doctor about testosterone replacement therapies like topical gels or patches, oral tablets, and muscular injections. A testosterone test is a blood test that measures the levels of testosterone in the blood. The test is used to diagnose and monitor conditions that affect testosterone levels, such as hypogonadism (low testosterone), infertility, erectile dysfunction, and certain types of cancer. DHT: £109. Dihydrotestosterone (DHT) is one of your bioavailable male androgens. Testosterone is converted to DHT by the enzyme 5-alpha reductase which is located in the testes and prostate. DHT has effects on brain function (including libido), muscle growth and repair, and prostate health. About the Test Purpose of the test The purpose of testosterone testing is to evaluate the amount of the hormone in the blood. Testosterone levels that are outside of a normal range can cause changes to health and physical appearance. Measuring testosterone can help diagnose medical conditions or monitor your response to therapy: .

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