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Srdjan Pandurevic Division of Endocrinology and Diabetes Prevention and Care, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
Department of Medical and Surgical Sciences (DIMEC), Alma Mater Studiorum University of Bologna, Bologna, Italy

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Ilaria Mancini Department of Medical and Surgical Sciences (DIMEC), Alma Mater Studiorum University of Bologna, Bologna, Italy
Unit of Gynecology and Obstetrics, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Italy

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Dimitri Mitselman Division of Endocrinology and Diabetes Prevention and Care, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
Department of Medical and Surgical Sciences (DIMEC), Alma Mater Studiorum University of Bologna, Bologna, Italy

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Matteo Magagnoli Division of Endocrinology and Diabetes Prevention and Care, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
Department of Medical and Surgical Sciences (DIMEC), Alma Mater Studiorum University of Bologna, Bologna, Italy

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Rita Teglia Division of Endocrinology and Diabetes Prevention and Care, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
Department of Medical and Surgical Sciences (DIMEC), Alma Mater Studiorum University of Bologna, Bologna, Italy

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Roberta Fazzeri Division of Endocrinology and Diabetes Prevention and Care, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
Department of Medical and Surgical Sciences (DIMEC), Alma Mater Studiorum University of Bologna, Bologna, Italy

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Paola Dionese Division of Endocrinology and Diabetes Prevention and Care, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
Department of Medical and Surgical Sciences (DIMEC), Alma Mater Studiorum University of Bologna, Bologna, Italy

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Carolina Cecchetti Division of Endocrinology and Diabetes Prevention and Care, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
Department of Medical and Surgical Sciences (DIMEC), Alma Mater Studiorum University of Bologna, Bologna, Italy

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Massimiliamo Caprio Department of Human Sciences and Quality of Life Promotion, San Raffaele Roma Open University, Rome, Italy
Laboratory of Cardiovascular Endocrinology, IRCCS San Raffaele, Rome, Italy

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Costanzo Moretti Department of Systems Medicine, Unit of Endocrinology, University of Rome Tor Vergata, Rome, Italy

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Justyna Sicinska Dermatology Clinic of CSK MSWiA Hospital, Warsaw, Poland

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Alessandro Agostini Department of Experimental, Diagnostic, and Specialty Medicine, University of Bologna, Bologna, Italy

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Domenica Gazineo Teaching Hospital, S. Orsola Hospital, Bologna, Italy

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Lea Godino Teaching Hospital, S. Orsola Hospital, Bologna, Italy

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Ignacio Sajoux Epigenomics in Endocrinology and Nutrition Group, Instituto de Investigacion Sanitaria (IDIS), Complejo Hospitalario Universitario de Santiago (CHUS/SERGAS), Spain
Medical Department Pronokal Group, Barcelona, Spain

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Flaminia Fanelli Division of Endocrinology and Diabetes Prevention and Care, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
Department of Medical and Surgical Sciences (DIMEC), Alma Mater Studiorum University of Bologna, Bologna, Italy

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Cristina M Meriggiola Department of Medical and Surgical Sciences (DIMEC), Alma Mater Studiorum University of Bologna, Bologna, Italy
Unit of Gynecology and Obstetrics, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Italy

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Uberto Pagotto Division of Endocrinology and Diabetes Prevention and Care, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
Department of Medical and Surgical Sciences (DIMEC), Alma Mater Studiorum University of Bologna, Bologna, Italy

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Alessandra Gambineri Division of Endocrinology and Diabetes Prevention and Care, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
Department of Medical and Surgical Sciences (DIMEC), Alma Mater Studiorum University of Bologna, Bologna, Italy

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, ovulation, ovarian morphology, and psychological well-being and distress (secondary outcomes). Material and methods Subjects Thirty-two consecutive women of a reproductive age (18–45 years) and with a BMI between 28 and 40 kg/m 2 attending the

Article Type:
Research Article
Collections:
Reproduction
DOI:
https://doi.org/10.1530/EC-22-0536
Volume/Issue:
Volume 12: Issue 7
Open access
Masafumi Tetsuka Department of Life and Food Science, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan

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Misato Tanakadate Department of Life and Food Science, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan

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Introduction The preovulatory LH surge triggers dynamic changes in the ovulatory follicle leading to a follicular rupture and subsequent luteinization. This ovulatory process takes some 24 h in cattle, during which the ovulating oocyte and

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-19-0188
Volume/Issue:
Volume 8: Issue 7
Open access
Lian Hollander-Cohen Department of Animal Sciences, The Robert H. Smith Faculty of Agriculture, Food, and Environment, Hebrew University of Jerusalem, Rehovot, Israel

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Benjamin Böhm Department of Animal Sciences, The Robert H. Smith Faculty of Agriculture, Food, and Environment, Hebrew University of Jerusalem, Rehovot, Israel

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Krist Hausken Department of Animal Sciences, The Robert H. Smith Faculty of Agriculture, Food, and Environment, Hebrew University of Jerusalem, Rehovot, Israel

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Berta Levavi-Sivan Department of Animal Sciences, The Robert H. Smith Faculty of Agriculture, Food, and Environment, Hebrew University of Jerusalem, Rehovot, Israel

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hormone synthesis, and ovulation throughout the time-sensitive process of gonad maturation. Generally speaking, circulating FSH levels are higher during gonad development and maturation, and circulating LH levels rise during the final stages of maturation

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-19-0389
Volume/Issue:
Volume 8: Issue 11
Open access
Arpna Sharma Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany

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Vijay Simha Baddela Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany

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Frank Becker Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany

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Dirk Dannenberger Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany

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Torsten Viergutz Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany

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Jens Vanselow Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany

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guide a needle with an outer diameter of 0.5 mm was used. Epidural anesthesia was induced by 5 mL of lidocaine-hydrochloride injectable-2% (Procamidor, WdT, Garbsen, Germany). To monitor effects on the ovulation of injected follicles 14 animal were

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-19-0011
Volume/Issue:
Volume 8: Issue 5
Open access
Rui-yi Tang Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, People’s Republic of China

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Rong Chen Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, People’s Republic of China

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Miao Ma Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, People’s Republic of China

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Shou-qing Lin Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, People’s Republic of China

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Yi-wen Zhang Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, People’s Republic of China

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Ya-ping Wang Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, People’s Republic of China

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seeking to conceive, 1 patient unsuccessfully underwent pulsatile gonadotropin-releasing hormone (GnRH) treatment. Ten patients underwent ovulation induction with gonadotropin, including 4 women who became pregnant and 2 women who failed and gave up

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-17-0251
Volume/Issue:
Volume 6: Issue 8
Open access
Kerry V Fanson Wildlife Reproductive Centre, School of Life and Environmental Sciences, School of Agriculture and Food Sciences, Taronga Conservation Society Australia, Dubbo, New South Wales, Australia
Wildlife Reproductive Centre, School of Life and Environmental Sciences, School of Agriculture and Food Sciences, Taronga Conservation Society Australia, Dubbo, New South Wales, Australia

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Tamara Keeley Wildlife Reproductive Centre, School of Life and Environmental Sciences, School of Agriculture and Food Sciences, Taronga Conservation Society Australia, Dubbo, New South Wales, Australia
Wildlife Reproductive Centre, School of Life and Environmental Sciences, School of Agriculture and Food Sciences, Taronga Conservation Society Australia, Dubbo, New South Wales, Australia

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Benjamin G Fanson Wildlife Reproductive Centre, School of Life and Environmental Sciences, School of Agriculture and Food Sciences, Taronga Conservation Society Australia, Dubbo, New South Wales, Australia

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critical role in the promotion of healthy reproductive function (reviewed in (2, 3, 4, 5) ). Elevations in GCs during proestrus have been shown to promote receptive behavior, stimulate gonadotropins, facilitate ovulation, and reduce damage caused by

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-14-0025
Volume/Issue:
Volume 3: Issue 2
Open access
David Mark Robertson Department of Molecular and Translational Sciences, Hudson Institute of Medical Research, Monash University, Clayton, Victoria, Australia
School of Women’s & Children’s Health, Discipline of Obstetrics and Gynaecology, University of New South Wales, Sydney, Australia

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Chel Hee Lee Clinical Research Support Unit, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada

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Angela Baerwald Department of Obstetrics, Gynecology & Reproductive Sciences, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada

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.e., ≥10 mm) may develop from any of the waves that emerge during the IOI. In women of reproductive age, only one wave of the IOI has been shown to result in ovulation. In comparison, as women approach menopause, the waves preceding the late follicular

Article Type:
Research Article
DOI:
https://doi.org/10.1530/EC-16-0077
Volume/Issue:
Volume 5: Issue 6
Open access
Elizabeth Micks Department of Obstetrics and Gynecology, Department of Research, University of Washington, Box 356460, 1959 NE Pacific Street, Seattle, Washington, USA

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Greta B Raglan Department of Obstetrics and Gynecology, Department of Research, University of Washington, Box 356460, 1959 NE Pacific Street, Seattle, Washington, USA

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Jay Schulkin Department of Obstetrics and Gynecology, Department of Research, University of Washington, Box 356460, 1959 NE Pacific Street, Seattle, Washington, USA
Department of Obstetrics and Gynecology, Department of Research, University of Washington, Box 356460, 1959 NE Pacific Street, Seattle, Washington, USA

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. Progesterone also is responsible for ovulation suppression during the luteal phase. In pregnant women, progesterone promotes uterine quiescence but, through different receptors, also makes a contribution to the cascade of events leading to labor (23) . Diverse

Article Type:
Review Article
DOI:
https://doi.org/10.1530/EC-15-0093
Volume/Issue:
Volume 4: Issue 4
Open access
Nathalie Ly Department of Endocrinology and Reproductive Medicine, Reference Center for Rare Endocrine Diseases of Growth and Development, Reference Center for Gynecological Rare Diseases, Hôpitaux Universitaires Pitié Salpêtrière-Charles Foix, Paris, France
EndoERN, APHP Consortium Pitie Salpetriere Hospital, Necker Hospital, Paris, France

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Sophie Dubreuil Department of Endocrinology and Reproductive Medicine, Reference Center for Rare Endocrine Diseases of Growth and Development, Reference Center for Gynecological Rare Diseases, Hôpitaux Universitaires Pitié Salpêtrière-Charles Foix, Paris, France
EndoERN, APHP Consortium Pitie Salpetriere Hospital, Necker Hospital, Paris, France

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Philippe Touraine Department of Endocrinology and Reproductive Medicine, Reference Center for Rare Endocrine Diseases of Growth and Development, Reference Center for Gynecological Rare Diseases, Hôpitaux Universitaires Pitié Salpêtrière-Charles Foix, Paris, France
EndoERN, APHP Consortium Pitie Salpetriere Hospital, Necker Hospital, Paris, France
Sorbonne University, Paris, France

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growth, ovarian steroidogenesis, ovulation and oocyte quality). GH and its receptor have been detected at each step of ovarian folliculogenesis ( 4 ). In vitro , GH stimulates estradiol production by follicles ( 2 , 3 , 5 , 6 ) and progesterone

Article Type:
Research Article
Collections:
Reproduction
DOI:
https://doi.org/10.1530/EC-22-0241
Volume/Issue:
Volume 11: Issue 12
Open access
Luminita Nicoleta Cima Carol Davila University of Medicine and Pharmacy, Bucharest, Romania

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Anca Colita Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
Hematology Department, Fundeni Hospital, Bucharest, Romania

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Simona Fica Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
Endocrine Department, Elias Hospital, Bucharest, Romania

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, 2013 528 BC Resumption of menses, spontaneous ovulation, PR  Wang, 2013 677 BC Resumption of menses  Bedaiwy, 2011 340 BC, HL, ovarian cancer Resumption of menses, spontaneous ovulation  Chen, 2011 Various

Article Type:
Review Article
DOI:
https://doi.org/10.1530/EC-17-0246
Volume/Issue:
Volume 6: Issue 8
Open access