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Thyroid and pregnancy

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https://www.readbyqxmd.com/read/29428703/the-contribution-of-total-and-free-iodothyronines-to-welfare-maintenance-and-management-stress-coping-in-ruminants-and-equines-physiological-ranges-and-reference-values
#1
REVIEW
Adriana Ferlazzo, Cristina Cravana, Esterina Fazio, Pietro Medica
In order to acquire a pattern of thyroid involvement in welfare maintenance in Ruminants and Equines, this review summarizes data concerning the reference values of total and free iodothyronines and their modifications in physiological conditions and in different management conditions (pregnancy, lactation, weaning, growth, isolation, restraint, shearing, confinement and transportation). Thyroidal and extrathyroidal tissues efficiently respond to management practices, giving a differentiated contribution to circulating iodothyronine changes...
February 2, 2018: Research in Veterinary Science
https://www.readbyqxmd.com/read/29422016/malignancy-during-pregnancy-in-japan-an-exceptional-opportunity-for-early-diagnosis
#2
Masayuki Sekine, Yoshiyuki Kobayashi, Tsutomu Tabata, Tamotsu Sudo, Ryuichiro Nishimura, Koji Matsuo, Brendan H Grubbs, Takayuki Enomoto, Tomoaki Ikeda
BACKGROUND: Malignancy during pregnancy has become a significant cause of maternal death in developed countries, likely due to both an older pregnant population, and increases of cervical cancer in younger women. Our aim is to investigate the clinical aspects of malignancy during pregnancy in Japan and to use this information to identify opportunities for earlier detection and treatment. METHODS: We provided a questionnaire to 1508 secondary or tertiary care hospitals in Japan...
February 8, 2018: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29415629/mild-maternal-hypothyroxinemia-during-pregnancy-induces-persistent-dna-hypermethylation-in-the-hippocampal-brain-derived-neurotrophic-factor-gene-in-mouse-offspring
#3
Kenichi Kawahori, Koshi Hashimoto, Xunmei Yuan, Kazutaka Tsujimoto, Nozomi Hanzawa, Miho Hamaguchi, Saori Kase, Kyota Fujita, Kazuhiko Tagawa, Hitoshi Okazawa, Yasuyo Nakajima, Nobuyuki Shibusawa, Masanobu Yamada, Yoshihiro Ogawa
BACKGROUND: Thyroid hormones are essential for normal development of the central nervous system (CNS). Experimental rodents have shown that even a subtle thyroid hormone insufficiency in circulating maternal thyroid hormones during pregnancy may adversely affect neurodevelopment in offspring, resulting in irreversible cognitive deficits. This may be due to the persistent reduced expression of the hippocampal brain-derived neurotrophic factor gene (Bdnf), which plays a crucial role in CNS development...
February 7, 2018: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29411252/the-fertility-management-experiences-of-australian-women-with-a-non-communicable-chronic-disease-findings-from-the-understanding-fertility-management-in-contemporary-australia-survey
#4
Sara Holton, Aberaami Thananjeyan, Heather Rowe, Maggie Kirkman, Lynne Jordan, Kathleen McNamee, Christine Bayly, John McBain, Vikki Sinnott, Jane Fisher
Introduction Despite the considerable and increasing proportion of women of reproductive age with a chronic non-communicable disease (NCD) and the potential adverse implications of many NCDs for childbearing, little is known about the fertility management experiences of women with an NCD, including their contraceptive use, pregnancy experiences and outcomes, and reproductive health care utilisation. The aim of this study was to investigate the fertility management experiences of women with an NCD and draw comparisons with women without an NCD...
February 6, 2018: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/29396862/maternal-thyroid-stimulating-hormone-reference-ranges-for-first-trimester-screening-from-11-to-14%C3%A2-weeks-of-gestation
#5
Tomáš Šálek, Ishraq Dhaifalah, Dagmar Langova, Jana Havalová
BACKGROUND: To establish maternal thyroid-stimulating hormone (TSH) reference ranges for first trimester screening from 11 + 0 to 13 + 6 weeks of gestation. METHODS: A total of 10 592 singleton and 201 twin consecutive Caucasian pregnant women who underwent simultaneously prenatal first trimester Down's syndrome screening and thyroid function screening from January 2010 to November 2017 were included in the study. Women with positive antithyroid peroxidase antibody (TPOAb) and positive personal history of thyroid disease were previously excluded...
February 3, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29396214/hypothyroidism-during-pregnancy-and-its-association-to-perinatal-and-obstetric-morbidity-a-review
#6
María Martínez, Berta Soldevila, Anna Lucas, Inés Velasco, Lluis Vila, Manel Puig-Domingo
There is currently no consensus among the different scientific societies on screening for thyroid dysfunction in the first trimester of pregnancy. Indeed, diagnosis and treatment of subclinical hypothyroidism during pregnancy are controversial, as no cut-off value for thyrotropin (TSH) is universally accepted. TSH measurement may be influenced by different factors throughout pregnancy, but especially during the first trimester. The association between overt hypothyroidism during pregnancy and obstetric and perinatal complications is well established...
February 2018: Endocrinología, Diabetes y Nutrición
https://www.readbyqxmd.com/read/29395867/oncological-management-and-obstetric-and-neonatal-outcomes-for-women-diagnosed-with-cancer-during-pregnancy-a-20-year-international-cohort-study-of-1170-patients
#7
Jorine de Haan, Magali Verheecke, Kristel Van Calsteren, Ben Van Calster, Roman G Shmakov, Mina Mhallem Gziri, Michael J Halaska, Robert Fruscio, Christianne A R Lok, Ingrid A Boere, Paolo Zola, Petronella B Ottevanger, Christianne J M de Groot, Fedro A Peccatori, Karina Dahl Steffensen, Elyce H Cardonick, Evgeniya Polushkina, Lukas Rob, Lorenzo Ceppi, Gennady T Sukhikh, Sileny N Han, Frédéric Amant
BACKGROUND: Awareness is growing that cancer can be treated during pregnancy, but the effect of this change on maternal and neonatal outcomes is unknown. The International Network on Cancer, Infertility and Pregnancy (INCIP) registers the incidence and maternal, obstetric, oncological, and neonatal outcomes of cancer occurring during pregnancy. We aimed to describe the oncological management and obstetric and neonatal outcomes of patients registered in INCIP and treated in the past 20 years, and assess associations between cancer type or treatment modality and obstetric and neonatal outcomes...
January 25, 2018: Lancet Oncology
https://www.readbyqxmd.com/read/29384068/thyroid-and-assisted-reproduction-technologies-a-brief-clinical-update-with-recommendations-for-practice
#8
Roberto Negro
BACKGROUND AND OBJECTIVE: Infertility is a common disease that in about one third of cases has a female cause and often requires assisted reproduction technologies (ART) to conceive. Also thyroid autoimmunity (TAI), with or without hypothyroidism, is a common disease, particularly in females, and referral for endocrine consultation is not infrequent. DISCUSSION: In the last 15 years a remarkable amount of studies has been published that investigated the pathophysiology of women suffering from TAI, who undergo ART...
January 30, 2018: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/29377458/maternal-thyroid-hormone-is-required-for-parvalbumin-neuron-development-in-the-anterior-hypothalamic-area
#9
Lisbeth Harder, Susi Dudazy-Gralla, Helge Müller-Fielitz, Jens Hjerling Leffler, Björn Vennström, Heike Heuer, Jens Mittag
Thyroid hormone (TH) is crucial for brain development and function. This becomes most evident in untreated congenital hypothyroidism, leading to irreversible mental retardation. Likewise, maternal hypothyroxinemia, a lack of TH during pregnancy, is associated with neurological dysfunction in the offspring such as autism and reduced intellectual capacity. In the brain, TH acts mainly through TH receptor alpha 1 (TRα1). Consequently, mice heterozygous for a dominant-negative mutation in TRα1 display profound neuroanatomical abnormalities including deranged development of parvalbumin neurons...
January 29, 2018: Journal of Neuroendocrinology
https://www.readbyqxmd.com/read/29375183/thyroid-disorders-in-pregnancy-and-postpartum
#10
REVIEW
Ashleigh Smith, Jade Eccles-Smith, Michael D'Emden, Karin Lust
No abstract text is available yet for this article.
December 2017: Australian Prescriber
https://www.readbyqxmd.com/read/29366524/associations-between-maternal-phenol-and-paraben-urinary-biomarkers-and-maternal-hormones-during-pregnancy-a-repeated-measures-study
#11
Amira M Aker, Lauren Johns, Thomas F McElrath, David E Cantonwine, Bhramar Mukherjee, John D Meeker
BACKGROUND: A number of phenols and parabens are added to consumer products for a variety of functions, and have been found at detectable levels in the majority of the U.S. POPULATION: Among other functions, thyroid hormones are essential in fetal neurodevelopment, and could be impacted by the endocrine disrupting effects of phenols and parabens. The present study investigated the association between ten maternal urinary phenol and paraben biomarkers (bisphenol S, triclosan, triclocarban, benzophenone-3, 2,4-dichlorophenol, 2,5-dichlorophenol, and ethyl, butyl, methyl and propyl paraben) and four plasma thyroid hormones in 439 pregnant women in a case-control sample nested within a cohort study based in Boston, MA...
January 20, 2018: Environment International
https://www.readbyqxmd.com/read/29362796/association-of-hysteroscopic-vs-laparoscopic-sterilization-with-procedural-gynecological-and-medical-outcomes
#12
COMPARATIVE STUDY
Kim Bouillon, Marion Bertrand, Georges Bader, Jean-Philippe Lucot, Rosemary Dray-Spira, Mahmoud Zureik
Importance: Safety of hysteroscopic sterilization has been recently questioned following reports of general symptoms such as allergy, tiredness, and depression in addition to associated gynecological results such as pelvic pain, perforation of fallopian tubes or uterus, and unwanted pregnancy. Objective: To compare the risk of reported adverse events between hysteroscopic and laparoscopic sterilization. Design, Setting, and Participants: French nationwide cohort study using the national hospital discharge database linked to the health insurance claims database...
January 23, 2018: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29362642/subclinical-hypothyroidism-whether-and-when-to-start-treatment
#13
REVIEW
Milena Cojić, Ljiljana Cvejanov-Kezunović
Subclinical hypothyroidism represents a state with increased values of thyroid stimulating hormone (TSH) and normal values of thyroxine (T4) and triiodothyronine (T3). The disorder is asymptomatic, and the diagnosis is made based on the results of laboratory findings when the level of TSH reaches values above 4.0 mU/l. It is still subject to debate whether patients with subclinical hypothyroidism are at increased risk of cardiovascular disease, neuropsychiatric and neuromuscular disorders. Studies have shown that the appearance of general symptoms and complications are more common in patients whose values of TSH are above 10 mU/l...
December 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29346569/controlled-antenatal-thyroid-screening-ii-effect-of-treating-maternal-sub-optimal-thyroid-function-on-child-cognition
#14
Charlotte Hales, Peter N Taylor, Sue Channon, Ruth Paradice, Kirsten McEwan, Lei Zhang, Michael Gyedu, Ameen Bakhsh, Onyebuchi Okosieme, Ilaria Muller, Mohd S Draman, John W Gregory, Colin Dayan, John H Lazarus, D Aled Rees, Marian Ludgate
Context & Objective: The Controlled Antenatal Thyroid Screening (CATS) study investigated treatment for suboptimal gestational thyroid function (SGTF) on childhood cognition and found no difference in IQ at 3 years between children of treated and untreated SGTF mothers. We have measured IQ in the same children at age 9.5-years and included children from normal-GTF mothers. Design, Setting & Participants: One examiner, blinded to participant group, assessed children's IQ (WISC-IV), long-term memory and motor function (NEPSY-II) from children of 119 treated and 98 untreated SGTF mothers plus children of 232 mothers with normal-GTF...
January 15, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29337034/establishment-of-trimester-specific-reference-range-for-thyroid-hormones-during-pregnancy
#15
Sima Nazarpour, Fahimeh Ramezani Tehrani, Masoumeh Simbar, Sonia Minooee, Maryam Rahmati, Mohammad Ali Mansournia, Fereidoun Azizi
OBJECTIVE: Physiological gestational changes are associated with alterations in thyroid function which require different biochemical interpretation from that of non-pregnant women and necessitate established pregnancy-specific reference ranges. We aimed to identify the trimester-specific ranges of thyroid markers in a healthy population of pregnant Iranian women. METHODS: In this self-sequential study, data were extracted from The Tehran Thyroid and Pregnancy Study; a total of 314 women were tested during the 1st, 2nd and 3rd trimesters for serum levels of thyrotropin (TSH), thyroxine (T4), free thyroxine index (FT4I) and thyroid peroxidase antibody (TPOAb)...
January 11, 2018: Clinical Biochemistry
https://www.readbyqxmd.com/read/29329570/exophthalmos-in-a-young-woman-with-no-graves-disease-a-case-report-of-igg4-related-orbitopathy
#16
Annamaria Erdei, Zita Steiber, Csaba Molnar, Ervin Berenyi, Endre V Nagy
BACKGROUND: Immunoglobulin G4-related disease (IgG4-rd) is characterized by lymphoplasmacytic infiltration and tissue fibrosis. Orbital manifestations of IgG4-rd may include unilateral or bilateral proptosis, cicatricial extraocular muscle myopathy, orbital inflammation and pain which may mimic ophthalmic Graves' disease. CASE PRESENTATION: A 25-year-old woman has been referred to the endocrinology clinic, 4 months after delivery, with suspected Graves' orbitopathy...
January 12, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29325223/maternal-thyroid-hormone-insufficiency-during-pregnancy-and-risk-of-neurodevelopmental-disorders-in-offspring-a-systematic-review-and-meta-analysis
#17
William Thompson, Ginny Russell, Genevieve Baragwanath, Justin Matthews, Bijay Vaidya, Jo Thompson-Coon
BACKGROUND: In the last two decades, several studies have examined the association between maternal thyroid hormone insufficiency during pregnancy and neurodevelopmental disorders in children and shown conflicting results. AIM: This systematic review aimed to assess the evidence for an association between maternal thyroid hormone insufficiency during pregnancy and neurodevelopmental disorders in children. We also sought to assess whether levothyroxine treatment for maternal thyroid hormone insufficiency improves child neurodevelopment outcomes...
January 11, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29322709/study-of-association-of-thyroid-hormone-in-pre-eclampsia-and-normal-pregnancy
#18
L Harshvardhan, S S Dariya, Aradhana Sharma, Lalita Verma
Aim: The aim of the study was to assess association of thyroid hormone in preeclampsia and normal pregnancy. Material and Method: This was a hospital based observational case control study. Total 100 women were included, out of them 50 normal pregnant women in control group and 50 pre-eclamptic women in case group were included. Result: In this study no significant difference was found in FT3 (p value 0.085) and FT4 (p value 0.065) in control and case group...
November 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29319359/secondary-and-tertiary-preventions-of-thyroid-disease
#19
Fereidoun Azizi, Ladan Mehran, Farhad Hosseinpanah, Hossein Delshad, Atieh Amouzegar
INTRODUCTION: Secondary and tertiary preventions are concerned with the recognition of the disease process in a very early stage and delay in progression to complete disease and minimization of complications and the impact of illness. METHODS: All articles related to secondary and tertiary prevention of thyroid diseases were reviewed. Using related key words, articles published between 2001 and 2015 were evaluated, categorized, and analyzed. RESULTS: In secondary prevention, congenital hypothyroidism and subclinical hypo and hyperthyroidism are equally important...
January 10, 2018: Endocrine Research
https://www.readbyqxmd.com/read/29317172/impact-of-positive-thyroid-autoimmunity-on-pregnant-women-with-subclinical-hypothyroidism
#20
Cristina López-Tinoco, Amparo Rodríguez-Mengual, Almudena Lara-Barea, Julia Barcala, Laura Larrán, Ana Saez-Benito, Manuel Aguilar-Diosdado
BACKGROUND: The impact of subclinical hypothyroidism (SH) and thyroid autoimmunity on obstetric and perinatal complications continues to be a matter of interest and highly controversial. AIM: To assess the impact of SH and autoimmunity in early pregnancy on the obstetric and perinatal complications in our population. MATERIAL AND METHOD: A retrospective cohort study in 435 women with SH (TSH ranging from 3.86 and 10 μIU/mL and normal FT4 values) in the first trimester of pregnancy...
January 6, 2018: Endocrinología, Diabetes y Nutrición
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