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Supitcha Patjamontri Developmental Endocrinology Research Group, University of Glasgow, Royal Hospital for Children, Glasgow, UK
Division of Endocrinology and Metabolism, Department of Pediatrics, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand

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Alexander Spiers MRC Centre for Environment and Health, Imperial College London, London, UK
NIHR Health Protection Research Unit on Chemical Radiation Threats and Hazards, Imperial College London, London, UK

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Rachel B Smith MRC Centre for Environment and Health, Imperial College London, London, UK
NIHR Health Protection Research Unit on Chemical Radiation Threats and Hazards, Imperial College London, London, UK
National Institute for Health Research (NIHR) Health Protection Research Unit in Environmental Exposures and Health, Imperial College London, London, UK
Mohn Centre for Children’s Health and Wellbeing, Imperial College London, London, UK

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Chen Shen MRC Centre for Environment and Health, Imperial College London, London, UK
NIHR Health Protection Research Unit on Chemical Radiation Threats and Hazards, Imperial College London, London, UK

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Jo Adaway Department of Clinical Biochemistry, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, The University of Manchester, Manchester, UK

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Brian G Keevil Department of Clinical Biochemistry, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, The University of Manchester, Manchester, UK

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Mireille B Toledano MRC Centre for Environment and Health, Imperial College London, London, UK
NIHR Health Protection Research Unit on Chemical Radiation Threats and Hazards, Imperial College London, London, UK
National Institute for Health Research (NIHR) Health Protection Research Unit in Environmental Exposures and Health, Imperial College London, London, UK
Mohn Centre for Children’s Health and Wellbeing, Imperial College London, London, UK

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S Faisal Ahmed Developmental Endocrinology Research Group, University of Glasgow, Royal Hospital for Children, Glasgow, UK

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Introduction Pubertal progress is accompanied by a steady increase in a wide range of sex steroids that are produced by the adrenal glands and the gonads. The increase of serum testosterone and free testosterone during puberty is well

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Ditte Sofie Dahl Sørensen Department of Endocrinology and Metabolism, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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Jesper Krogh Department of Endocrinology and Metabolism, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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Åse Krogh Rasmussen Department of Endocrinology and Metabolism, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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Mikkel Andreassen Department of Endocrinology and Metabolism, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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focusing on time of day for blood sample collection, phenotype and long-acting vs short-acting glucocorticoid replacement; (iii) to assess concordance between serum levels of 17-hydroxyprogesterone, androstenedione and testosterone in relation to normal

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Trine Holm Johannsen Department of Growth and Reproduction, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
International Centre for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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Jakob Albrethsen Department of Growth and Reproduction, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
International Centre for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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Vassos Neocleous The Cyprus Institute of Neurology and Genetics, Department of Molecular Genetics, Function and Therapy, Nicosia, Cyprus

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Federico Baronio S. Orsola-Malpighi University Hospital, Department of Medical and Surgical Sciences, Bologna, Italy

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Martine Cools Department of Pediatrics, Division of Pediatric Endocrinology, Ghent University Hospital and Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium

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Lise Aksglaede Department of Growth and Reproduction, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
International Centre for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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Niels Jørgensen Department of Growth and Reproduction, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
International Centre for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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Peter Christiansen Department of Growth and Reproduction, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
International Centre for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark

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Meropi Toumba The Cyprus Institute of Neurology and Genetics, Department of Molecular Genetics, Function and Therapy, Nicosia, Cyprus
Pediatric Endocrinology Clinic, Department of Pediatrics, Aretaeio Hospital, Nicosia, Cyprus

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Pavlos Fanis The Cyprus Institute of Neurology and Genetics, Department of Molecular Genetics, Function and Therapy, Nicosia, Cyprus

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Marie Lindhardt Ljubicic Department of Growth and Reproduction, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
International Centre for Research and Research Training 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, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
International Centre for Research and Research Training in Endocrine Disruption of Male Reproduction and Child Health (EDMaRC), Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
Department of Clinical Medicine, University of Copenhagen, Denmark

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testosterone, inhibin B and anti-Müllerian hormone (AMH). Elevated concentrations of adrenal androgens may result in testosterone concentrations within the reference range despite low LH and FSH concentrations in CAH patients. Thus, additional markers of Leydig

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Magdalena Lech Faculty of Life Sciences and Medicine, School of Life Course Sciences, King’s College London, London, UK

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Ruvini Ranasinghe Department of Clinical Biochemistry, King’s College Hospital NHS Foundation Trust, Denmark Hill, London, UK

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Royce P Vincent Department of Clinical Biochemistry, King’s College Hospital NHS Foundation Trust, Denmark Hill, London, UK
Faculty of Life Sciences and Medicine, School of Life Course Sciences, King’s College London, London, UK

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David R Taylor Department of Clinical Biochemistry, King’s College Hospital NHS Foundation Trust, Denmark Hill, London, UK

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Lea Ghataore Department of Clinical Biochemistry, King’s College Hospital NHS Foundation Trust, Denmark Hill, London, UK

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James Luxton Department of Clinical Biochemistry, King’s College Hospital NHS Foundation Trust, Denmark Hill, London, UK

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Fannie Lajeunesse-Trempe Department of Endocrinology ASO/EASO COM, King's College Hospital NHS Foundation Trust, Denmark Hill, London, UK
Quebec Heart and Lung Institute, Laval University, Quebec, Canada

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Pia Roser Department of Endocrinology and Diabetes, University Medical Centre Hamburg Eppendorf, Hamburg, Germany

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Eftychia E Drakou Department of Clinical Oncology, Guy's Cancer Centre - Guy's and St Thomas' NHS Foundation Trust, Great Maze Pond, London, UK

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Ling Ling Chuah Department of Endocrinology ASO/EASO COM, King's College Hospital NHS Foundation Trust, Denmark Hill, London, UK

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Ashley B Grossman Green Templeton College, University of Oxford, Oxford, UK
Barts and the London School of Medicine, Centre for Endocrinology, William Harvey Institute, London, UK
Neuroendocrine Tumour Unit, Royal Free Hospital, London, UK

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Simon J B Aylwin Department of Endocrinology ASO/EASO COM, King's College Hospital NHS Foundation Trust, Denmark Hill, London, UK

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Georgios K Dimitriadis Department of Endocrinology ASO/EASO COM, King's College Hospital NHS Foundation Trust, Denmark Hill, London, UK
Obesity, Type 2 Diabetes and Immunometabolism Research Group, School of Cardiovascular and Metabolic Medicine & Sciences, Faculty of Life Course Sciences, King’s College London, London, UK
Division of Reproductive Health, Warwick Medical School, University of Warwick, Coventry, UK

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), adrenocorticotrophic hormone (ACTH), cortisol-binding globulin (CBG), thyroxine-binding globulin (TBG), gonadotrophins, DHEAS, testosterone and plasma EDTA ACTH were collected using BD Vacutainer during the same venepuncture. Samples were stored at −80°C until analysis

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Avinaash Maharaj Centre for Endocrinology, John Vane Science Centre, Queen Mary University of London, London, UK

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Ruth Kwong Centre for Endocrinology, John Vane Science Centre, Queen Mary University of London, London, UK

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Jack Williams Centre for Endocrinology, John Vane Science Centre, Queen Mary University of London, London, UK

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Christopher Smith Centre for Endocrinology, John Vane Science Centre, Queen Mary University of London, London, UK

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Helen Storr Centre for Endocrinology, John Vane Science Centre, Queen Mary University of London, London, UK

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Ruth Krone Birmingham Children’s Hospital, Birmingham, UK

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Debora Braslavsky Centro de Investigaciones Endocrinológicas ‘Dr. Cesar Bergadá’ (CEDIE) – CONICET – FEI – División de Endocrinología, Hospital de Niños ‘Ricardo Gutiérrez’, Buenos Aires, Argentina

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Maria Clemente Paediatric Endocrinology, Growth and Development Research Unit, Vall d’Hebron Research Institute (VHIR), Hospital Vall d’Hebron, CIBERER, Instituto de Salud Carlos III, Barcelona, Spain

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Nanik Ram Department of Endocrinology, The Aga Khan University Hospital, Karachi, Pakistan

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Indraneel Banerjee Department of Paediatric Endocrinology, Royal Manchester Children’s Hospital, Manchester, UK

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Semra Çetinkaya Health Sciences University, Dr. Sami Ulus Obstetrics and Gynaecology, Children’s Health and Disease Education and Research Hospital, Ankara, Turkey

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Federica Buonocore Genetics and Genomic Medicine Research and Teaching Department, UCL Great Ormond Street Institute of Child Health, University College London, London, UK

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Tülay Güran Department of Paediatric Endocrinology and Diabetes, Marmara University, School of Medicine, Istanbul, Turkey

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John C Achermann Genetics and Genomic Medicine Research and Teaching Department, UCL Great Ormond Street Institute of Child Health, University College London, London, UK

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Louise Metherell Centre for Endocrinology, John Vane Science Centre, Queen Mary University of London, London, UK

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Rathi Prasad Centre for Endocrinology, John Vane Science Centre, Queen Mary University of London, London, UK

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trimester onwards. Hypospadias is not a reported clinical feature to date. Biochemical evaluations revealed raised basal gonadotrophins (LH and FSH), an exaggerated response to luteinizing hormone releasing hormone (LHRH) stimulation, impaired testosterone

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Marcus Imamovic Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden

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Nils Bäcklund Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden

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Staffan Lundstedt Department of Medical Biosciences, Umeå University, Umeå, Sweden

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Göran Brattsand Department of Medical Biosciences, Umeå University, Umeå, Sweden

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Elisabeth Aardal Department of Clinical Chemistry and Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden

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Tommy Olsson Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden

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Per Dahlqvist Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden

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.1177/0004563217724178 ) 11 Granger DA Cicchetti D Rogosch FA Hibel LC Teisl M Flores E . Blood contamination in children's saliva: prevalence, stability, and impact on the measurement of salivary cortisol, testosterone, and dehydroepiandrosterone

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Deirdre Green Academic Department of Endocrinology, Beaumont Hospital and the Royal College of Surgeons in Ireland, Dublin

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Rosemary Dineen Academic Department of Endocrinology, Beaumont Hospital and the Royal College of Surgeons in Ireland, Dublin

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Michael W O’Reilly Academic Department of Endocrinology, Beaumont Hospital and the Royal College of Surgeons in Ireland, Dublin

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Mark Sherlock Academic Department of Endocrinology, Beaumont Hospital and the Royal College of Surgeons in Ireland, Dublin

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elevated testosterone and androstenedione. There is an increased risk of miscarriage in women with non-classic CAH, which is reduced with glucocorticoid therapy ( 86 , 87 , 88 ). Thus, guidance recommends that women with non-classic CAH with subfertility

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