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DHEA-S (Dehydroepiandrosterone Sulphate) is a blood test that measures the levels of the hormone DHEA-S in the body. DHEA-S is produced by the adrenal glands and is a precursor to the male and female sex hormones, testosterone, and estrogen. The test is used to evaluate adrenal gland function and can help diagnose adrenal insufficiency, congenital adrenal hyperplasia, and polycystic ovary syndrome (PCOS).
Here are some general guidelines to prepare for the DHEA-S test:
Medications: Inform your doctor about any medications you are taking, including prescription and over-the-counter drugs, vitamins, and supplements. Some medications can affect the results of the test, so your doctor may ask you to stop taking certain medications before the test.
Timing: DHEA-S levels can vary throughout the day, so your doctor may ask you to schedule the test for a specific time of day.
Sample collection: The DHEA-S test requires a blood sample.
It is recommended when there are symptoms such as:
- Hirsutism (excess facial and body hair)
- Amenorrhea (absence of menstrual periods)
- Infertility: The signs of precocious (early) puberty, such as deeper voice, pubic hair, or muscle development
- Acne: The ambiguous external genitalia (female babies born with genitals that are not clear in appearance whether they are male or female genitals)
The Dehydroepiandrosterone Sulphate (DHEAS) test is prescribed by your doctor after a complete assessment of your symptoms and conditions.
You will get the reports within 72 hours after the collection of the blood sample.
This test requires a blood sample, which can be collected at a diagnostic lab or at home with a home blood collection kit.
Fasting is not required for this test.