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Glossary Hormone Tests

measure levels of specific hormones in bodily fluids

Hormone tests, also known as hormonal testing, are medical procedures used to measure the levels of specific hormones in the blood, urine, or saliva. These tests help diagnose and monitor conditions related to hormonal imbalances, such as thyroid disorders, diabetes, and reproductive issues, and can be crucial in understanding underlying causes of symptoms like hair loss or alopecia.

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Gonadotropin Releasing Hormone Agonist (Nafarelin) Test to Differentiate Gonadotropin Deficiency from Constitutionally Delayed Puberty in Teenage Boys: A Clinical Research Center Study

research Gonadotropin releasing hormone agonist (nafarelin) test to differentiate gonadotropin deficiency from constitutionally delayed puberty in teen-age boys--a clinical research center study.

24 citations , October 1995 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism”

This study found that the LH response to nafarelin effectively distinguished gonadotropin deficiency from constitutional delay of puberty, performing comparably to the sleep test and offering certain advantages.

research 132 Genetics of Stress Hormone Concentrations in Hair of Healthy Nursery Pigs and Their Relationship with Back Test Responses

November 2023 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium”

In this study, researchers examined the genetic factors impacting cortisol and DHEA concentrations in the hair of healthy pigs; they found that cortisol levels were heritable and genetically correlated with behavioral stress responses, suggesting these hormones could potentially serve as indicators for selecting disease-resilient pigs.

research Knowing the minimal detectable dose can facilitate the interpretation of a hair test result: II. Case example with ibutamoren (MK-677), a growth hormone secretagogue

1 citations , August 2025 in “Clinica Chimica Acta”

research Canine Alopecia Secondary to Human Topical Hormone Replacement Therapy in Six Dogs

14 citations , February 2015 in “Journal of the American Animal Hospital Association”

This study reports that transdermal exposure to owners' topical hormone replacement therapy caused alopecia in six dogs, but the condition resolved after the therapy was discontinued.

research The Role of Micronutrients and Thyroid Function Tests in Pediatric Hair Loss

September 2025 in “Online Türk Sağlık Bilimleri Dergisi”

This study observed that pediatric patients with diffuse, non-scarring alopecia had significantly lower levels of zinc and folate compared to matched healthy controls, suggesting a possible link between these deficiencies and hair loss in children.

research Abstract #1182315: Biotin and thyroid function test

May 2022 in “Endocrine practice”

This case report illustrates that high-dose biotin supplementation can cause false thyroid function test abnormalities in vitro, emphasizing the need to assess biotin intake before testing.

research Hyperandrogenic eumenorrheic NON-PCOS women versus women with PCOS after the GnRH-agonist stimulation test preceded by suppression of adrenal steroidogenesis with dexamethasone

1 citations , September 2024 in “Journal of Clinical & Translational Endocrinology”

This study found that women with polycystic ovary syndrome have more pronounced metabolic alterations and higher androgen levels compared to women with eumenorrheic hyperandrogenism, suggesting EuHyperA may be a milder form of PCOS.

research Relationship between plasma sex hormones and severity of coronary artery disease

January 1986 in “Journal of Steroid Biochemistry”

Lower testosterone levels in men may be linked to a higher risk of severe coronary artery disease.

Biochemical Testing of the Thyroid: TSH Is the Best and Often Only Test Needed – A Review for Primary Care

research Biochemical Testing of the Thyroid: TSH is the Best and, Oftentimes, Only Test Needed – A Review for Primary Care

115 citations , May 2016 in “Clinical Medicine & Research”

This review discusses the complexities of interpreting thyroid function tests, highlighting the challenges primary care providers face due to patient demand and misinformation, but reports no new results.

research How to Diagnose Hair Loss

27 citations , September 2012 in “Dermatologic Clinics”

This review outlines a systematic method for diagnosing hair loss and presents no new findings; the authors emphasize the importance of biopsy in cicatricial alopecia cases.

research COVID-19 and andrology: Recommendations of the French-speaking society of andrology (Société d’Andrologie de langue Française SALF)

18 citations , July 2020 in “Basic and Clinical Andrology”

This article discusses concerns and recommendations from a French-speaking andrology society regarding COVID-19's potential impact on men's reproductive health and calls for further research in this area.

research Where Have the Periods Gone? The Evaluation and Management of Functional Hypothalamic Amenorrhea

18 citations , January 2020 in “Journal of Clinical Research in Pediatric Endocrinology”

This review discusses the pathophysiology, diagnosis, and management of functional hypothalamic amenorrhea in adolescent girls and reports no new clinical results.

research Precocious Puberty

13 citations , October 2006 in “Pediatrics in review”

This review discusses the complexities and factors influencing the management of precocious puberty in children, concluding that genetic influences are more significant than environmental ones. It reports no new research findings.

research Awareness about PCOS and the Likelihood of Its Symptoms in Adolescent Girls in a Semi-Urban Set-Up: A Cross Sectional Study

9 citations , November 2016 in “Journal of medical science and clinical research”

In this study, the prevalence of clinical polycystic ovary syndrome among high school girls in Sambalpur, Odisha, was found to be 12%.

Symmetrical Alopecia in Dogs: Diagnosis and Treatment

research Symmetrical alopecia in the dog

7 citations , July 1999 in “In Practice”

This article discusses the diagnostic approach to symmetrical alopecia in dogs, particularly focusing on conditions affecting the endocrine glands and hair follicles, without presenting new research results.

research Rational investigations in the diagnosis and management of women with hirsutism or androgenetic alopecia

5 citations , March 2001 in “Clinics in Dermatology”

This article explores evidence for a rational strategy in the endocrine and metabolic management of patients with excess body hair or scalp loss and reports no new clinical results.

research The investigation of feline alopecia

1 citations , January 2016 in “Companion animal”

This article reviews the causes and diagnostic approaches for feline alopecia, emphasizing the importance of distinguishing between self-inflicted and spontaneous hair loss, but reports no new results.

Polycystic Ovary Syndrome: A Comprehensive Review of Its Clinical Presentation, Comorbidities, Long-Term Complications, and Management

research Polycystic Ovary Syndrome: A Comprehensive Review of Its Clinical Presentation, Comorbidities, Long-Term Complications and Management

February 2025 in “International Journal of Pharmaceutical Research and Applications”

This article reviews the symptoms, diagnosis, and management of polycystic ovary syndrome, emphasizing lifestyle changes and medical interventions, but presents no new findings.

research ODP021 A Feminizing Adrenocortical Carcinoma Presenting with Marie-Antoinette Syndrome

November 2022 in “Journal of the Endocrine Society”

This case study reports a rare instance of an estradiol-secreting adrenocortical carcinoma in a 58-year-old male, causing feminization and Marie-Antoinette syndrome, with potential paraneoplastic aortitis.

research Hirsutism

May 2006 in “Women's Health Medicine”

This review examines the causes, assessment, and treatments of hirsutism and highlights the need for future research in managing this condition but presents no new research findings.

research Approach to the adult female patient with diffuse nonscarring alopecia

67 citations , November 2002 in “Journal of The American Academy of Dermatology”

This review discusses diagnostic approaches for women with diffuse, nonscarring hair loss and reports no new clinical results.

research The Female Pattern Hair Loss: Review of Etiopathogenesis and Diagnosis

35 citations , January 2014 in “BioMed Research International”

This review examines the epidemiology, pathogenesis, clinical manifestations, and diagnosis of female pattern hair loss and reports no new results.

research A practical approach to feline symmetrical alopecia

4 citations , October 1998 in “In Practice”

This article outlines a practical method for diagnosing and managing feline symmetrical alopecia but presents no new empirical findings.

research Description and characterization of a hair coat disorder in schipperkes

1 citations , December 2018 in “Veterinary dermatology”

This study documented that symmetrical, noninflammatory alopecia in schipperkes is associated with hormonal abnormalities and hair cycle arrest, resembling Alopecia X clinically and histologically.

research A Rare Case Report of Congenital Adrenal Hyperplasia: 46XX at Tertiary Care Centre, Visnagar, North Gujarat.

June 2024

In this report, a 22-year-old woman with congenital adrenal hyperplasia due to 21-hydroxylase deficiency underwent treatment with hydrocortisone and spironolactone, followed by feminization surgery, which subsequently led to the development of secondary sexual characteristics and regular menstruation.

research Pattern alopecia in a miniature pinscher dog

December 2011 in “Korean journal of veterinary research”

In this study, a dog with canine pattern alopecia showed improved multifocal alopecia and general hair regrowth after 3 months of melatonin treatment.

Androgenetic Alopecia in a Postmenopausal Woman Due to Ovarian Hyperthecosis

research Androgenetic alopecia in a postmenopausal woman as a result of ovarian hyperthecosis

17 citations , February 2003 in “Australasian Journal of Dermatology”

This review discusses ovarian hyperthecosis as a rare cause of androgenetic alopecia in postmenopausal women and reports no new results; the authors highlight the need to explore its relationship to alopecia further.

research Idiopathic hirsutism: excessive bodily and facial hair in women

11 citations , February 2008 in “British journal of nursing”

This article reviews idiopathic hirsutism, focusing on its definition, diagnosis, causes, and treatment options, without presenting new clinical findings.

An Indian Evidence-Based Study of Prevalence, Phenotypic Features, and Lifestyle Modifications of Polycystic Ovarian Syndrome Patients

research An Indian Evidence-Based Study of Prevalence, Phenotypic Features, Lifestyle Modifications of Polycystic Ovarian Syndrome Patients

1 citations , June 2021 in “Journal of gynecology and womens health”

This study found that the prevalence of polycystic ovarian syndrome among women of reproductive age in urban and rural areas of Hyderabad, Telangana, is between 6.5% and 6.8%.

research EEMCO Guidance for the Assessment of Hair Shedding and Alopecia

51 citations , January 2004 in “Skin Pharmacology and Physiology”

This review discusses various techniques for evaluating hair shedding and alopecia but reports no new clinical results. The authors emphasize the value of specific clinical and instrumental methods in assessing hair growth.