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Glossary Luteinizing Hormone

hormone from the pituitary gland that triggers ovulation or testosterone production

Luteinizing Hormone (LH) is a hormone produced by the pituitary gland that plays a crucial role in regulating the reproductive system. In women, LH triggers ovulation and stimulates the production of progesterone, while in men, it stimulates the production of testosterone.

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research Effects of Prenatal Treatment with Antiandrogens on Luteinizing Hormone Secretion and Sex Steroid Concentrations in Adult Spotted Hyenas, Crocuta crocuta1

37 citations , November 2002 in “Biology of Reproduction”

This study found that prenatal antiandrogen treatment in female spotted hyenas significantly altered the LH response to GnRH, indicating partial masculinization of their anterior pituitary gland without affecting ovulatory function.

research Luteinizing Hormone and Human Chorionic Gonadotropin Decrease Type 2 5α-Reductase and Androgen Receptor Protein Levels in Women’s Skin

13 citations , May 1998 in “The Journal of Clinical Endocrinology & Metabolism”

This study found that hCG decreased 5α-reductase and androgen receptor levels in skin samples from women in vitro, suggesting that human skin responds to LH/hCG treatment.

Hormonal and Immunological Correlations in Alopecia Areata Patients: Focus on Luteinizing Hormone and Follicle Stimulating Hormone

research Hormonal and Immunological Correlations in Alopecia Areata Patients: Focus on Luteinizing Hormone (LH) and Follicle Stimulating Hormone (FSH)

February 2026 in “South Asian Research Journal of Biology and Applied Biosciences”

In this study, patients with alopecia areata had significantly higher levels of luteinizing hormone and follicle-stimulating hormone compared to healthy controls, suggesting a link between hormone levels and the disease.

research Association of follicle-stimulating hormone receptor gene ser680 asn (rs6166) polymorphism with polycystic ovarian syndrome

4 citations , January 2016 in “International journal of reproduction, contraception, obstetrics and gynecology”

This study found that the FSHR Ser680Asn (rs6166) gene polymorphism is associated with an increased risk of PCOS in the examined population and could serve as a molecular biomarker for identifying risk.

research Serum phoenixin-14 and phoenixin-20 concentrations in polycystic ovary syndrome: Associations with anti-Müllerian hormone and diagnostic utility

June 2026 in “Biomolecules and Biomedicine”

This study found that women with PCOS had higher levels of serum phoenixin isoforms, which correlated with reproductive and metabolic markers, suggesting these isoforms may have a potential diagnostic role.

research SERUM STEROIDS AND PITUITARY HORMONES IN FEMALE PUBERTY: A PARTLY LONGITUDINAL STUDY

186 citations , February 1980 in “Clinical Endocrinology”

This study observed that serum levels of oestradiol, testosterone, and androstenedione increase rapidly with the onset of puberty and continue to rise after menarche, with anovulatory cycles being common in early postmenarchal girls.

research Treatment of Hirsutism with a Gonadotropin-Releasing Hormone Agonist (Nafarelin)∗

77 citations , October 1986 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism”

This study found that nafarelin treatment significantly reduced androgen levels and improved hirsutism symptoms in women, suggesting it may be useful for managing this condition.

research Hormonal control of pelage cycles in the short tailed weasel (Mustela erminea bangsi)

68 citations , April 1965 in “General and Comparative Endocrinology”

This study found that the pituitary gland is crucial for normal pelage color cycles in weasels, with certain hormones influencing regrowth of pigmented or white hair after molting.

Receiver Operating Characteristic Analysis of the Performance of Basal Serum Hormone Profiles for the Diagnosis of Polycystic Ovary Syndrome in Epidemiological Studies

research Receiver operating characteristic analysis of the performance of basal serum hormone profiles for the diagnosis of polycystic ovary syndrome in epidemiological studies

66 citations , November 2001 in “European journal of endocrinology”

This study suggests that decreased SHBG levels and increased FAI, free testosterone, and DHEAS concentrations are effective in diagnosing PCOS in epidemiological studies of women of reproductive age.

Gonadotrophin-Releasing Hormone Agonist Therapy for Hirsutism Is as Effective as High Dose Cyproterone Acetate but Results in a Longer Remission

research Gonadotrophin-releasing hormone agonist therapy for hirsutism is as effective as high dose cyproterone acetate but results in a longer remission

49 citations , April 1997 in “Human reproduction”

This study found that both a high dose of CPA and GnRHa are effective for treating hirsutism in hyperandrogenic women, but GnRHa with add-back therapy may lead to a longer remission period.

research A Comparison of the Hormonal Profile of Early Androgenetic Alopecia in Men With the Phenotypic Equivalent of Polycystic Ovarian Syndrome in Women

47 citations , June 2016 in “JAMA Dermatology”

This study suggests men with early androgenetic alopecia might have hormonal profiles similar to women with polycystic ovarian syndrome, potentially indicating risk for related health complications.

research The Efficacy of 24-Month Metformin for Improving Menses, Hormones, and Metabolic Profiles in Polycystic Ovary Syndrome

33 citations , January 2018 in “The Journal of Clinical Endocrinology & Metabolism”

Metformin improves menstrual cycles and hormone levels in women with PCOS, mostly within the first 6 months.

research Hormonal Control of Pelage Cycles In The Mink

31 citations , November 1965 in “Journal of Mammalogy”

This study found that in mink, the pituitary gland is essential for normal seasonal pelage cycles, and manipulating hormone levels can affect hair growth and type.

research Hormonal Profile of Men with Premature Balding

29 citations , February 2004 in “Experimental and Clinical Endocrinology & Diabetes”

This study suggests that many men with premature balding exhibit a hormonal pattern similar to some aspects of polycystic ovary syndrome in women.

Clinical, Hormonal and Metabolic Parameters in Women With PCOS Using Different Combined Oral Contraceptives (Containing Chlormadinone Acetate Versus Drospirenone)

research Clinical, hormonal and metabolic parameters in women with PCOS with different combined oral contraceptives (containing chlormadinone acetate versus drospirenone)

25 citations , October 2019 in “Journal of Endocrinological Investigation”

This study reported that both drospirenone and chlormadinone acetate oral contraceptives had similar beneficial effects on clinical, metabolic, and hormonal parameters in women with polycystic ovary syndrome over six months.

research Hormonal profile in Indian men with premature androgenetic alopecia

25 citations , January 2013 in “International Journal of Trichology”

In this study, decreased levels of SHBG and a high free androgen index were observed in men with severe premature baldness compared to controls, but this condition was not equivalent to PCOS or metabolic syndrome in females.

Hormonal Parameters in Androgenetic Hair Loss in Males

research Hormonal Parameters in Androgenetic Hair Loss in the Male

21 citations , October 2009 in “Dermatology”

This study found that male pattern hair loss may be associated with differences in serum levels of androstenedione, cortisol, 17 beta-estradiol, and luteinizing hormone, compared to controls.

research Metabolic and hormonal effects of a combined Myo-inositol and d-chiro-inositol therapy on patients with polycystic ovary syndrome (PCOS)

19 citations , January 2019 in “Ginekologia Polska”

This study found that combined Myo-inositol and D-chiro-inositol therapy improved metabolic and hormonal parameters, including weight, hormone levels, and skin conditions, in women with PCOS after 6 months.

research The Safety of Local Hormonal Treatment for Vulvovaginal Atrophy in Women With Estrogen Receptor-positive Breast Cancer Who Are on Adjuvant Aromatase Inhibitor Therapy: Meta-analysis

18 citations , August 2019 in “Clinical breast cancer”

This meta-analysis found that in postmenopausal women with a history of breast cancer, 8 weeks of vaginal estrogen therapy while on aromatase inhibitors did not result in systemic absorption of sex hormones, suggesting potential safety for treating vulvovaginal atrophy in this context.

research THE GRADE OF HIRSUTISM CORRELATED TO SERUM ANDROGEN LEVELS AND HORMONAL INDICES

18 citations , January 1985 in “Acta Obstetricia Et Gynecologica Scandinavica”

In this study of hirsute women, researchers found that correlations between hirsutism and hyperandrogenism were observed only in patients with a low LH/FSH ratio.

research Male Equivalent Polycystic Ovarian Syndrome: Hormonal, Metabolic, and Clinical Aspects.

12 citations , July 2020 in “DOAJ (DOAJ: Directory of Open Access Journals)”

This review evaluates the hormonal, metabolic, and clinical aspects of a male equivalent PCOS syndrome in men and highlights areas where further research is needed, reporting no new empirical findings.

Anti-Müllerian Hormone Gene Polymorphism Is Associated With Androgen Levels in Chinese Polycystic Ovary Syndrome Patients With Insulin Resistance

research Anti-Müllerian hormone gene polymorphism is associated with androgen levels in Chinese polycystic ovary syndrome patients with insulin resistance

12 citations , January 2016 in “Journal of Assisted Reproduction and Genetics”

This study suggests that genetic variations in the AMH signal pathway may be linked to susceptibility and phenotype variations in PCOS among women with insulin resistance.

Anti-Müllerian Hormone Confirms the Novel Classification of Female Functional Androgenization Including Polycystic Ovary Syndrome

research Anti-Müllerian hormone confirms the novel classification of female functional androgenization including polycystic ovary syndrome

12 citations , August 2011 in “European Journal of Endocrinology”

This study found that anti-Müllerian hormone (AMH) is a valuable primary variable for classifying functional androgenization, especially in distinguishing ovarian-related groups, and supports the novel stratification system.

research The effect of hormones of the hypothalamic-pituitary-target gland axes in a kidney-yang deficiency syndrome model

11 citations , January 2020 in “World Journal of Traditional Chinese Medicine”

This study used a glucocorticoid-injection model to mimic kidney-yang deficiency syndrome and reported symptoms related to hormonal imbalances in the hypothalamic-pituitary-target gland axes.

research Serum Levels of Androgen-Associated Hormones Are Correlated with Curative Effect in Androgenic Alopecia in Young Men

9 citations , October 2018 in “Medical Science Monitor”

In this study, oral finasteride therapy was associated with decreased DHT levels and improved hair loss severity in young male AGA patients, while hormonal changes influenced the curative effect.

research Hormonal Evaluation of Hyperandrogenism in Women

6 citations , December 2015 in “JAMA”

This content is not a research abstract; it includes a website navigation notice and no study findings.

research Serum anti-Müllerian hormone as a predictor of polycystic ovarian syndrome among women of reproductive age

4 citations , May 2022 in “BMC Women's Health”

This study found that elevated serum AMH levels can be a strong predictor for diagnosing PCOS among women of reproductive age, when used alongside the other Rotterdam criteria.

research A study on the clinical, biochemical and hormonal profile of polycystic ovary syndrome patients attending tertiary care hospital

4 citations , April 2017 in “International journal of reproduction, contraception, obstetrics and gynecology”

This study found a 21-fold increased risk of metabolic syndrome associated with a higher waist-hip ratio in women with polycystic ovary syndrome, highlighting the need for focused management in obese patients.

research Cutaneous Manifestations and Hormonal Changes Among Polycystic Ovary Syndrome Patients at a Tertiary Care Center

2 citations , December 2021 in “Cureus”

This study found that cutaneous manifestations are prevalent in PCOS patients, with 68% experiencing symptoms like hirsutism and acne, highlighting the need for better awareness across medical specialties.

research REPRODUCTIVE HORMONE LEVELS AND METABOLIC SYNDROME IN WOMEN WITH POLYCYSTIC OVARY SYNDROME IN SANA'A, YEMEN

2 citations , September 2021 in “Universal Journal of Pharmaceutical Research”

This study found significant associations between polycystic ovary syndrome and increased serum levels of reproductive hormones, as well as connections to infertility, hirsutism, and metabolic syndrome in Yemeni women.