Subclinical Hypothyroidism and InfertilitySubclinical Hypothyroidism and Infertility

Peter Kovacs reviews a new guideline from the American Society for Reproductive Medicine on the issue of subclinical hypothyroidism in women trying to become pregnant. Medscape Ob/Gyn
Source: Medscape ObGyn and Womens Health Headlines - Category: OBGYN Tags: Ob/Gyn & Women ' s Health Viewpoint Source Type: news

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Silvina Beatriz Meroni, María Noel Galardo, Gustavo Rindone, Agostina Gorga, María Fernanda Riera and Selva Beatriz Cigorraga* Centro de Investigaciones Endocrinológicas “Dr César Bergadá” CONICET-FEI-División de Endocrinología Hospital de Niños Ricardo Gutiérrez, Buenos Aires, Argentina Sertoli cells are somatic cells present in seminiferous tubules which have essential roles in regulating spermatogenesis. Considering that each Sertoli cell is able to support a limited number of germ cells, the final number of Sertoli cells reached during...
Source: Frontiers in Endocrinology - Category: Endocrinology Source Type: research
Jie Cai1†, Yi Zhang1†, Yuying Wang1, Shengxian Li1, Lihua Wang1, Jun Zheng1, Yihong Jiang1, Ying Dong1, Huan Zhou1, Yaomin Hu1, Jing Ma1, Wei Liu1,2*† and Tao Tao1*† 1Division of Endocrinology and Metabolism, Department of Internal Medicine, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Pudong, China 2Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Center for Reproductive Medicine, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Pudong, China Background: Infertility and dyslipidemia are frequently present in both women...
Source: Frontiers in Endocrinology - Category: Endocrinology Source Type: research
An appropriate diagnostic evaluation is essential for the most appropriate treatment to be performed. Currently, macroprolactinemia is the third most frequent cause of non-physiological hyperprolactinemia after drugs and prolactinomas. Up to 40% of macroprolactinemic patients may present with hypogonadism symptoms, infertility and/or galactorrhea. Thus, the screening for macroprolactin is indicated not only for asymptomatic subjects but also for those without an obvious cause for their prolactin (PRL) elevation. Before submitting patients to macroprolactin screening and pituitary magnetic resonance imaging (MRI), one shoul...
Source: Neuroendocrinology - Category: Endocrinology Source Type: research
Abstract Hypothyroidism has been linked to infertility, but the mechanisms underlying infertility-related hypothyroidism have yet to be fully elucidated. Therefore, in this study, effects of hypothyroidism on expression of the proteins related to thyroid hormone function in the uterus, which were thought to play a role implantation, including thyroid hormone receptor (TR), thyroid stimulating hormone receptor (TSHR), retinoic acid receptor (RAR) and extracellular kinase (ERK) were identified. Pregnant female rats were rendered hypothyroid by giving methimazole (MMI), orally. Following hypothyroid induction, rats w...
Source: Cell Biology International - Category: Cytology Authors: Tags: Cell Biol Int Source Type: research
Publication date: Available online 30 January 2019Source: European Journal of Obstetrics &Gynecology and Reproductive BiologyAuthor(s): Yuan-Jie Du, Xin Xin, Na Cui, Lei Jiang, Ai-Min Yang, Gui-Min Hao, Bu-Lang GaoAbstractObjectiveTo study the effects of long-acting gonadotropin-releasing hormone agonist (GnRH-a) on thyroid function in euthyroid patients of in vitro fertilization (IVF)/ intracytoplasmic sperm injection of embryo transfer (ICSI-ET) and to investigate the timing and alteration of thyroid stimulating hormone (TSH) during controlled ovarian stimulation(COS)Materials and methodsEuthyroid patients scheduled ...
Source: European Journal of Obstetrics and Gynecology and Reproductive Biology - Category: OBGYN Source Type: research
This report provides valuable insights into the presence of autoimmunity in nongoitrous thyroid-associated antibody-negative SH patients. PMID: 30568076 [PubMed - as supplied by publisher]
Source: Endocrine Journal - Category: Endocrinology Tags: Endocr J Source Type: research
Abstract Ovarian dysgenesis, short stature, and infertility are common features of Turner syndrome (TS). Endocrinopathies and cardiopathies are less common, but may induce significant complications, and are the leading cause of mortality in TS patients. Endocrine abnormality including osteoporosis occurs in up to 60% of patients, hypothyroidism at an incidence of 3.2%, and impaired glucose metabolism with variable incidence depending on the age group. Estrogen therapy and growth hormone therapy, alone or combined, improve height and bone mass in TS patients. Autoimmune hypothyroidism is prone in the X-isochromosom...
Source: Climacteric - Category: Geriatrics Authors: Tags: Climacteric Source Type: research
CONCLUSIONS: Given its potential to reduce the miscarriage rate, LT4 supplementation is recommended for infertile women with SCH and/or TAI who are undergoing IVF/ICSI. However, additional population-based RCTs are needed to confirm this recommendation. PMID: 30249251 [PubMed - in process]
Source: Reproductive Biology - Category: Reproduction Medicine Authors: Tags: Reprod Biol Endocrinol Source Type: research
Publication date: July 2018Source: The Lancet Diabetes &Endocrinology, Volume 6, Issue 7Author(s): Simone De Leo, Elizabeth N PearceSummaryUnderstanding of changes in thyroid function and the consequences of thyroid disease during pregnancy has rapidly grown in the past two decades, and revised American Thyroid Association guidelines on this topic were published in 2017. This Review explores the association between thyroid autoimmunity and complications during and after pregnancy. Thyroid autoimmunity refers to the presence of antibodies to thyroperoxidase or thyroglobulin, or thyroid-stimulating hormone receptor antib...
Source: The Lancet Diabetes and Endocrinology - Category: Endocrinology Source Type: research
CONCLUSION: For sure, the therapeutic regimens used for controlled ovarian hyperstimulation (COH) induce a deterioration of thyroid function in patients suffering from TAI [with or without Levothyroxine (LT4) treatment]. This picture places patients in a condition of increased risk of developing untimely TSH elevation during fertilization; then, it is reasonable that a patient, above all if thyroid antibody positive, would have a TSH value
Source: Endocrine, Metabolic and Immune Disorders Drug Targets - Category: Endocrinology Authors: Tags: Endocr Metab Immune Disord Drug Targets Source Type: research
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