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Bruno Donadille Service d’Endocrinologie et Médecine de la Reproduction, Centre de Référence des Maladies Endocrines Rares de la Croissance, Hôpital Saint Antoine, Groupe Hospitalier Universitaire Est, AP-HP, Paris, France

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Muriel Houang Service d’Explorations Fonctionnelles Endocriniennes, Centre de Référence des Maladies Endocrines Rares de la Croissance, Hôpital Trousseau, Groupe Hospitalier Universitaire Est, AP-HP, Paris, France

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Irène Netchine Service d’Explorations Fonctionnelles Endocriniennes, Centre de Référence des Maladies Endocrines Rares de la Croissance, Hôpital Trousseau, Groupe Hospitalier Universitaire Est, AP-HP, Paris, France
Université Pierre et Marie Curie, Sorbonne Université, Paris, France

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Jean-Pierre Siffroi Université Pierre et Marie Curie, Sorbonne Université, Paris, France
INSERM UMR_S933, Paris, France

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Sophie Christin-Maitre Service d’Endocrinologie et Médecine de la Reproduction, Centre de Référence des Maladies Endocrines Rares de la Croissance, Hôpital Saint Antoine, Groupe Hospitalier Universitaire Est, AP-HP, Paris, France
Université Pierre et Marie Curie, Sorbonne Université, Paris, France
INSERM UMR_S933, Paris, France

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spontaneous secondary sexual maturation . Hormone Research 1997 48 83 – 87 . ( https://doi.org/10.1159/000185492 ) 10.1159/000185492 19 Kenny FM Reynolds JW Green OC . Partial 3 -hydroxysteroid dehydrogenase (3 -HSD) deficiency in a family with

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-17-0306
Volume/Issue:
Volume 7: Issue 3
Open access
Rebeca Esquivel-Zuniga Department of Pediatrics, University of Virginia, Charlottesville, Virginia, USA

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Alan D Rogol Department of Pediatrics, University of Virginia, Charlottesville, Virginia, USA

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thalassemia, opioids); chronic stress The appearance and maintenance of secondary sexual characteristics have a crucial impact on the physical and psychosocial well-being, both in adolescents and emerging adults. Hypogonadism can cause short- and

Article Type:
Review Article
Collections:
Paediatric Endocrinology
DOI:
https://doi.org/10.1530/EC-23-0190
Volume/Issue:
Volume 12: Issue 11
Open access
Monica F Stecchini Department of Pediatrics, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil

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Zilda Braid Department of Pediatrics, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil

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Candy B More Department of Pediatrics, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil

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Davi C Aragon Department of Pediatrics, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil

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Margaret Castro Department of Internal Medicine, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil

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Ayrton C Moreira Department of Internal Medicine, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil

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Sonir R Antonini Department of Pediatrics, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil

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, but that may be related to the skeletal maturation induced by androgen excess ( 2 ). The development of secondary CPP has been extensively reported in patients with lately diagnosed or poorly controlled congenital adrenal hyperplasia (CAH), and other

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-19-0141
Volume/Issue:
Volume 8: Issue 5
Open access
Rossella Cannarella Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy

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Andrea Crafa Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy

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Sandro La Vignera Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy

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Rosita A Condorelli Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy

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Aldo E Calogero Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy

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GH insensitivity syndrome (GHIS) and in pubertal age did not have any secondary sexual characteristics ( 12 ). Ten years later, they found these puberty alterations on seven boys with Laron syndrome. One of them, aged 20 years, did not show signs of

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-21-0252
Volume/Issue:
Volume 10: Issue 9
Open access
Willem de Ronde Department of Internal Medicine, Spaarne Gasthuis, Haarlem, the Netherlands

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Diederik L Smit Department of Internal Medicine, Spaarne Gasthuis, Haarlem, the Netherlands

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outpatient clinic almost 10 years ago in Haarlem, the Netherlands. Goals were to gain more insight into the characteristics of AAS users, the methods of AAS use and the health risks associated with AAS use. Users of AAS can be referred to us by their general

Article Type:
Review Article
DOI:
https://doi.org/10.1530/EC-19-0557
Volume/Issue:
Volume 9: Issue 4
Open access
Anita Hokken-Koelega Erasmus University Medical Centre, Rotterdam, The Netherlands

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Aart-Jan van der Lely Erasmus University Medical Centre, Rotterdam, The Netherlands

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Berthold Hauffa University Children’s Hospital, Essen, Germany

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Gabriele Häusler Medical University and General Hospital of Vienna, Vienna, Austria

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Gudmundur Johannsson Sahlgrenska University Hospital, Göteborg, Sweden

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Mohamad Maghnie Istituto Giannina Gaslini, University of Genova, Genova, Italy

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Jesús Argente Hospital Infantil Universitario Niño Jesús, Madrid, Spain

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Jean DeSchepper University Hospital Brussels, Brussels, Belgium

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Helena Gleeson Queen Elizabeth Hospital, Birmingham, UK

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John W Gregory Cardiff University School of Medicine, Cardiff, UK

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Charlotte Höybye Department of Molecular Medicine and Surgery, Karolinska Institute and Department of Endocrinology, Metabolism and Diabetology, Karolinska University Hospital, Stockholm, Sweden

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Fahrettin Keleştimur Department of Endocrinology, School of Medicine, Erciyes University, Kayseri, Turkey

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Anton Luger Sahlgrenska University Hospital, Göteborg, Sweden

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Hermann L Müller Department of Pediatrics, Klinikum Oldenburg, Medical Campus University Oldenburg, Oldenburg, Germany

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Sebastian Neggers University Children’s Hospital, Essen, Germany

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Vera Popovic-Brkic Belgrade University School of Medicine, Belgrade, Serbia

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Eleonora Porcu University of Bologna, Bologna, Italy

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Lars Sävendahl Department of Women’s and Children’s Health, Karolinska Institutet, and Pediatric Endocrinology Unit, Karolinska University Hospital, Stockholm, Sweden

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Stephen Shalet The Christie Hospital, Manchester, UK

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Bessie Spiliotis University of Patras School of Medicine, Patras, Greece

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Maithé Tauber Hôpital des Enfants, Toulouse, France

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Tanaka Y Obata K Murakami N Testosterone replacement therapy to improve secondary sexual characteristics and body composition without adverse behavioral problems in adult male patients with Prader-Willi syndrome: an observational study

Article Type:
Review Article
DOI:
https://doi.org/10.1530/EC-16-0028
Volume/Issue:
Volume 5: Issue 6
Open access
Jennifer K Y Ko Department of Women’s Health, University College London Hospital, London, UK

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Thomas F J King Department of Women’s Health, University College London Hospital, London, UK

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Louise Williams Department of Women’s Health, University College London Hospital, London, UK

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Sarah M Creighton Department of Women’s Health, University College London Hospital, London, UK

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Gerard S Conway Department of Women’s Health, University College London Hospital, London, UK

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after completion of puberty ( 2 ). Hormone replacement therapy (HRT) is required after gonadectomy in order to maintain secondary sexual characteristics, bone and cardiovascular health and to promote general wellbeing and sexual function. In the study by

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-17-0083
Volume/Issue:
Volume 6: Issue 6
Open access
Alessandro Ciresi Section of Endocrinology, Biomedical Department of Internal and Specialist Medicine (DIBIMIS), University of Palermo, Palermo, Italy

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Stefano Radellini Section of Endocrinology, Biomedical Department of Internal and Specialist Medicine (DIBIMIS), University of Palermo, Palermo, Italy

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Valentina Guarnotta Section of Endocrinology, Biomedical Department of Internal and Specialist Medicine (DIBIMIS), University of Palermo, Palermo, Italy

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Maria Grazia Mineo Section of Endocrinology, Biomedical Department of Internal and Specialist Medicine (DIBIMIS), University of Palermo, Palermo, Italy

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Carla Giordano Section of Endocrinology, Biomedical Department of Internal and Specialist Medicine (DIBIMIS), University of Palermo, Palermo, Italy

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Introduction The sexual dimorphism in the mechanisms involved in the regulation of somatotroph axis is well documented, and it might account for some of the sex differences in growth rate and body composition ( 1 ). Indeed, sex hormones are

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-18-0135
Volume/Issue:
Volume 7: Issue 7
Open access
Johanna Öberg Tromso Endocrine Research Group, Department of Clinical Medicine, UiT The Arctic University of Norway, Tromso, Norway

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Rolf Jorde Tromso Endocrine Research Group, Department of Clinical Medicine, UiT The Arctic University of Norway, Tromso, Norway

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Yngve Figenschau Tromso Endocrine Research Group, Department of Clinical Medicine, UiT The Arctic University of Norway, Tromso, Norway
Diagnostic Clinic, University Hospital of North Norway, Tromso, Norway

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Per Medbøe Thorsby Hormone Laboratory, Department of Medical Biochemistry and Biochemical Endocrinology and Metabolism Research Group, Oslo University Hospital, Aker, Oslo, Norway

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Sandra Rinne Dahl Hormone Laboratory, Department of Medical Biochemistry and Biochemical Endocrinology and Metabolism Research Group, Oslo University Hospital, Aker, Oslo, Norway

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Anne Winther Division of Neurosciences, Orthopedics and Rehabilitation Services, University Hospital of North Norway, Tromso, Norway

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Guri Grimnes Tromso Endocrine Research Group, Department of Clinical Medicine, UiT The Arctic University of Norway, Tromso, Norway
Division of Internal Medicine, University Hospital of North Norway, Tromso, Norway

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Norway (69°N). Fit Futures 1 was performed at The Research Unit at the University Hospital in North Norway, from September 2010 to April 2011, with 1038 attendees (girls n  = 508) in their first year of upper secondary school (92.9% attendance rate), >95

Article Type:
Research Article
Collections:
Bone and Mineral Metabolism
DOI:
https://doi.org/10.1530/EC-21-0395
Volume/Issue:
Volume 11: Issue 3
Open access
Stine A Holmboe Department of Growth and Reproduction, Rigshospitalet, University of Copenhagen, Blegdamsvej, Copenhagen, Denmark
The International Research Centre in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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Ravi Jasuja Research Program in Men’s Health: Aging and Metabolism, Brigham and Womens Hospital, Harvard Medical School, Boston, Massachusetts, USA

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Brian Lawney Research Program in Men’s Health: Aging and Metabolism, Brigham and Womens Hospital, Harvard Medical School, Boston, Massachusetts, USA

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Lærke Priskorn Department of Growth and Reproduction, Rigshospitalet, University of Copenhagen, Blegdamsvej, Copenhagen, Denmark
The International Research Centre in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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Niels Joergensen Department of Growth and Reproduction, Rigshospitalet, University of Copenhagen, Blegdamsvej, Copenhagen, Denmark
The International Research Centre in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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Allan Linneberg Centre for Clinical Research and Prevention, Frederiksberg Hospital, Copenhagen, Denmark
Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark

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Tina Kold Jensen Department of Growth and Reproduction, Rigshospitalet, University of Copenhagen, Blegdamsvej, Copenhagen, Denmark
The International Research Centre in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
Department of Environmental Medicine, Institute of Public Health, University of Southern Denmark, Odense, Denmark

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Niels Erik Skakkebæk Department of Growth and Reproduction, Rigshospitalet, University of Copenhagen, Blegdamsvej, Copenhagen, Denmark
The International Research Centre in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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Anders Juul Department of Growth and Reproduction, Rigshospitalet, University of Copenhagen, Blegdamsvej, Copenhagen, Denmark
The International Research Centre in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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Anna-Maria Andersson Department of Growth and Reproduction, Rigshospitalet, University of Copenhagen, Blegdamsvej, Copenhagen, Denmark
The International Research Centre in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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-related characteristics and tested using general linear regression models. To compare the predictive value of the three free testosterone algorithms in relation to cardiometabolic conditions, Cox proportional hazards models with age as the underlying time scale were

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-20-0552
Volume/Issue:
Volume 10: Issue 2
Open access