What is the Androstenedione (A4) Test? Why is the test done? Everything around this, that you should know, in this post, and of course our doctors are always there to help you. Just fill in your details in the form down below and we will answer all your questions for FREE!
This test measures the level of androstenedione in the blood.
It is an androgenic hormone. It is a male sex hormone that is present in both men and women. This hormone is secreted by the testes in men and from the adrenal gland and ovaries in women. The LH hormone stimulates the secretion of androstenedione by testicles and ovaries. ACTH (Adrenocorticotrophic hormone) stimulates the secretion of androstenedione by the adrenal glands.
It plays an important role in the development of secondary sexual characteristics in men like deep voice and growth of facial hair. It helps in the formation of oestrogen and testosterone. Androstenedione doesn’t have a major function on its own.
Male (adult): 2.1 – 10.8 nmol/L
Female (adult): 1.0 – 11.5 nmol/L
Androstenedione is used to diagnose the various condition:
This test is also done if you have the symptoms such as excess facial or body hair (hirsutism), amenorrhea (absence of menstruation), acne, and infertility in women
A low level of androstenedione may indicate adrenal insufficiency, testicle or ovarian failure and adrenal gland dysfunction
An elevated level of androstenedione may indicate certain conditions:
Increased adrenal, ovarian and testicular production.
An increased level of androstenedione is not a specific diagnostic condition it indicates the need for further testing to rule out the cause.
For more information, you can visit MedlinePlus.gov and Testing.com.
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** The text on this website is sourced from websites like emedicine and/or other verified material by government agencies around the globe along with valuable inputs and additions by our team. The content of this page is proofread and updated by the team of doctors, every once in a while, to provide the most accurate information.
