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GlossaryImmunoassay

laboratory technique detecting molecules using antibodies

An immunoassay is a laboratory technique used to detect and measure specific proteins, hormones, or other molecules in a sample by using antibodies. This method relies on the highly specific binding between an antigen (the target molecule) and an antibody, making it a powerful tool for diagnosing diseases, monitoring biological processes, and conducting research in fields like immunology and biochemistry.

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research LC-MS/MS Improves Screening Towards 21-Hydroxylase Deficiency

7 citations, December 2014 in “Gynecological Endocrinology”

LC-MS/MS is more reliable than immunoassays for diagnosing 21-hydroxylase deficiency.

research Revisiting Hyper- and Hypo-Androgenism by Tandem Mass Spectrometry

27 citations, April 2013 in “Reviews in endocrine and metabolic disorders”

The document concludes that using LC-MS/MS for measuring androgens is more accurate than older methods, but it needs careful validation and standardized references to be most effective.

research Polycystic Ovary Syndrome and the Differential Diagnosis of Hyperandrogenism

19 citations, July 2013 in “The obstetrician & gynaecologist”

The document concludes that careful evaluation is needed to diagnose PCOS correctly due to similar symptoms in other conditions, and accurate testosterone level measurement is crucial.

research Determining the Normal Cut-Off Levels for Hyperandrogenemia in Chinese Women of Reproductive Age

16 citations, December 2010 in “European Journal of Obstetrics & Gynecology and Reproductive Biology”

Normal levels for certain hormones in Chinese women of reproductive age were identified.

research Management of Endocrine Disease: Hyperandrogenic States in Women - Pitfalls in Laboratory Diagnosis

16 citations, February 2018 in “European Journal of Endocrinology”

Diagnosing hyperandrogenism in women is complex and requires accurate testing methods and consideration of SHBG levels.

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in Is this regrowth? 274 upvotes 3 weeks ago

The user "OP" reported significant hair regrowth using oral finasteride, oral and topical minoxidil, ketoconazole shampoo, and derma stamping. OP experienced initial shedding but no other side effects.

community High DHT with finasteride. Help!

in Finasteride/Dutasteride 6 upvotes 8 months ago

Despite using 5% minoxidil, 0.1% finasteride, and other treatments like microneedling, MK-677, and Cialis, hair loss continues with high testosterone and DHT levels. Considering oral dutasteride but concerned about further increasing testosterone levels.