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Free androgen index and its relation with female pattern hair loss
Journal of Investigative MedicineAndrogenetic alopecia (AGA) is more common in women than in men. This study aims to evaluate various androgenic hormones in women and to assess if free androgen index (FAI) can be used as a marker of hyperandrogenism in women. Forty women with AGA (defined as grade 1, 2, or 3) were taken as subjects, and 40 other healthy women were included as controls
Rania, Hosny Mahmoud +2 more
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Journal of Obstetrics and Gynaecology Research, 2021
AbstractObjectiveIt is found that there is a significant difference in serum‐free androgen index (FAI) between patients with polycystic ovary syndrome (PCOS) and healthy people, and the selection of appropriate cutoff value has a certain diagnostic value for PCOS. However, the current research conclusions on the diagnostic value of FAI for PCOS are not
Lilin, Wang, Juan, Li
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AbstractObjectiveIt is found that there is a significant difference in serum‐free androgen index (FAI) between patients with polycystic ovary syndrome (PCOS) and healthy people, and the selection of appropriate cutoff value has a certain diagnostic value for PCOS. However, the current research conclusions on the diagnostic value of FAI for PCOS are not
Lilin, Wang, Juan, Li
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Geburtshilfe und Frauenheilkunde, 1987
The degree of androgynism (A) in women can be assessed via clinical data and by determining the levels of testosterone (T), dehydroepiandrosterone sulfate (DHEA-S) and testosterone binding globulin (TBG) in the blood. The determination of the "free androgen index" (FAI), the ratio of total T and TBG, helpful in estimating the level of free T in serum ...
W, Urdl +5 more
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The degree of androgynism (A) in women can be assessed via clinical data and by determining the levels of testosterone (T), dehydroepiandrosterone sulfate (DHEA-S) and testosterone binding globulin (TBG) in the blood. The determination of the "free androgen index" (FAI), the ratio of total T and TBG, helpful in estimating the level of free T in serum ...
W, Urdl +5 more
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Annals of Clinical Biochemistry: International Journal of Laboratory Medicine, 1988
A group of oligomenorrhoeic women without obesity or hirsuties was investigated with high-resolution ultrasound, laparoscopy and biochemical parameters. In this series, polycystic ovaries (PCO), as defined by ultrasound and laparoscopy, are a common cause of oligomenorrhoea in women without the classic symptoms, and were strongly associated with an ...
J A, Eden +5 more
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A group of oligomenorrhoeic women without obesity or hirsuties was investigated with high-resolution ultrasound, laparoscopy and biochemical parameters. In this series, polycystic ovaries (PCO), as defined by ultrasound and laparoscopy, are a common cause of oligomenorrhoea in women without the classic symptoms, and were strongly associated with an ...
J A, Eden +5 more
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Is the free androgen index a useful clinical marker in male patients?
South Dakota journal of medicine, 1999The clinical relevance of the free androgen index (FAI), a ratio of total testosterone (T) to sex-hormone binding globulin (SHBG), was investigated in a regional population of men (n = 40) and women (n = 30). The FAI correlated well with free testosterone (T) in both men (r = 0.551, p < 0.001) and women (r = 0.454, p < 0.01).
J D, Brannian, P, Long, D O, Kreger
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Orvosi hetilap, 1989
Androgen binding capacity in the serum of 30 male patients under 51 years of age suffering from chronic alcoholic liver disease was investigated with tritiated 5 alpha-dihydrotestosterone. The result received by saturation analysis is regarded as an indicator of the SHBG (sex hormone binding globulin) content of the blood.
F, Szarvas +3 more
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Androgen binding capacity in the serum of 30 male patients under 51 years of age suffering from chronic alcoholic liver disease was investigated with tritiated 5 alpha-dihydrotestosterone. The result received by saturation analysis is regarded as an indicator of the SHBG (sex hormone binding globulin) content of the blood.
F, Szarvas +3 more
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Clinical Endocrinology, 2012
AbstractObjective(s)To determine the normative cut‐off value for the free androgen index (FAI) among reproductive‐age women in China.DesignCross‐sectional, population‐based study.SettingA multistage systematic cluster random sampling among 16 communities from two rural and two city regions.Patient(s)A total of 1526 women were randomly selected from a ...
Zehong, Zhou +6 more
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AbstractObjective(s)To determine the normative cut‐off value for the free androgen index (FAI) among reproductive‐age women in China.DesignCross‐sectional, population‐based study.SettingA multistage systematic cluster random sampling among 16 communities from two rural and two city regions.Patient(s)A total of 1526 women were randomly selected from a ...
Zehong, Zhou +6 more
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Clinica Chimica Acta, 2015
The objective of our study was to determine reference intervals and biologic variation for testosterone (T), free testosterone (fT), and free androgen index (FAI) in women with accurate methods and to test the discriminative value of these parameters in a polycystic ovary syndrome (PCOS)-population.Serum was obtained daily during a normal menstrual ...
H.N. Bui +6 more
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The objective of our study was to determine reference intervals and biologic variation for testosterone (T), free testosterone (fT), and free androgen index (FAI) in women with accurate methods and to test the discriminative value of these parameters in a polycystic ovary syndrome (PCOS)-population.Serum was obtained daily during a normal menstrual ...
H.N. Bui +6 more
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The relation between bone density, free androgen index, and estradiol in men 60 to 70 years old
Bone, 2000The cause of age-related bone loss in men is poorly understood. Previous studies of the relationship between bone density and serum androgens have yielded inconsistent results, perhaps partly because age is a determinant of both. Recent studies suggest that serum estrogen levels influence bone density in adult men.
Scopacasa, F. +5 more
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Gynakologisch-geburtshilfliche Rundschau, 1994
In 82 females with hyperandrogenism and polycystic ovaries, the sensitivity and diagnostic accuracy of the free-androgen index (FAI) were compared with those of testosterone (T), free testosterone (fT), androstenedione (A), LH and the LH/FSH ratio. Normal ranges for each parameter were derived as 95th percentile in 53 healthy controls of similar age. T,
T, Steck, H, Wernze
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In 82 females with hyperandrogenism and polycystic ovaries, the sensitivity and diagnostic accuracy of the free-androgen index (FAI) were compared with those of testosterone (T), free testosterone (fT), androstenedione (A), LH and the LH/FSH ratio. Normal ranges for each parameter were derived as 95th percentile in 53 healthy controls of similar age. T,
T, Steck, H, Wernze
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