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hypothyroidism pregnancy

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https://www.readbyqxmd.com/read/28448812/effect-of-exposure-to-p-p%C3%A2-dde-during-the-first-half-of-pregnancy-in-the-maternal-thyroid-profile-of-female-residents-in-a-mexican-floriculture-area
#1
José Ángel Hernández-Mariano, Luisa Torres-Sánchez, Susana Bassol-Mayagoitia, Maria Consuelo Escamilla-Nuñez, Mariano E Cebrian, Érika Adriana Villeda-Gutiérrez, Guadalupe López-Rodríguez, Eunice Elizabeth Félix-Arellano, Julia Blanco-Muñoz
BACKGROUND: Dichlorodiphenyldichloroethene (p,p´-DDE), the main metabolite of dichlorodiphenyltrichloroethane (DDT), has been associated with changes in human thyroid hormone levels. Maternal thyroid hormones are essential for adequate fetal neurodevelopment during the first half of pregnancy. OBJECTIVE: To evaluate the association between maternal p,p´-DDE concentration and the maternal thyroid profile during the first half of pregnancy. MATERIALS AND METHODS: We analyzed the information of 430 pregnant women from a Mexican floriculture area, with a gestational age ≤16 weeks...
April 24, 2017: Environmental Research
https://www.readbyqxmd.com/read/28447527/serum-thyroid-hormone-levels-among-chinese-pregnant-women
#2
Yunxian Yu, Xiawei Li, Shuying Jiang, Wen Jiang, Jinhua Wu, Zhaopin Wang, Shuojia Wang, Minchao Li, Haigeng Xu, Yun Lv, Jinxing Jiang, Yongfeng Ding, Boer Zhang
AIM: The aim of this study is to examine gestational serum thyroid hormone levels and influencing factors among Chinese pregnant women with high dietary iodine intake. METHODS: The study was conducted from 2011 and 2013 in Zhoushan Women & Children's Hospital, Zhejiang, China. A total of 1991 pregnant women were enrolled and their serum levels of free thyroid hormones (FT4, FT3, and TSH) were detected by chemiluminescence method. RESULTS: Gestational serum FT4 and FT3 decreased with gestational week while TSH increased...
April 27, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28443254/perfluoroalkyl-substances-exposure-and-thyroid-hormones-in-humans-epidemiological-observations-and-implications
#3
REVIEW
Jung Eun Lee, Kyungho Choi
Thyroid hormones play crucial roles in normal neurodevelopment of fetus and child. Many chemicals can affect control and homeostasis of thyroid hormones, and eventually lead to various adverse health effects including neurodevelopmental disorders. Perfluoroalkyl substances (PFASs) are among the thyroid disrupting chemicals that can be encountered among general human population. Due to their unique physicochemical characteristics, PFASs have been used as surfactants and surface coating materials in many applications...
March 2017: Annals of Pediatric Endocrinology & Metabolism
https://www.readbyqxmd.com/read/28414788/patients-with-subclinical-hypothyroidism-before-20-weeks-of-pregnancy-have-a-higher-risk-of-miscarriage-a-systematic-review-and-meta-analysis
#4
Yibing Zhang, Haoyu Wang, Xifeng Pan, Weiping Teng, Zhongyan Shan
OBJECTIVE: To evaluate the relationship between subclinical hypothyroidism (SCH) and the risk of miscarriage before 20 weeks of pregnancy. METHODS: Literature databases were searched, including the PubMed, Web of Science, Embase and Cochrane databases, from January 1, 1980, to December 31, 2015. The following search terms were used: subclinical hypothyroidism, hypothyroidism, thyroid dysfunction, thyroid hypofunction, subclinical thyroid disease, thyroid dysfunction, pregnancy loss, abortion and miscarriage...
2017: PloS One
https://www.readbyqxmd.com/read/28389458/probable-interaction-between-levothyroxine-and-ritonavir-case-report-and-literature-review
#5
Rahul Sahajpal, Rabia A Ahmed, Christine A Hughes, Michelle M Foisy
PURPOSE: A case of probable interaction of levothyroxine and ritonavir is presented along with a review of the relevant literature and recommendations on clinical management. SUMMARY: A 37-year-old woman with human immunodeficiency virus infection who had recently undergone thyroidectomy for a benign multinodular goiter presented to a clinic with hypothyroidism (she was also found to be pregnant), and treatment with levothyroxine 75 μg daily was initiated. While receiving antiretroviral therapy (abacavir-lamivudine and lopinavir-ritonavir) during pregnancy, the patient had persistently elevated serum thyroid-stimulating hormone (TSH) concentrations (up to 125...
April 15, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28372806/multiple-immune-disorders-after-natalizumab-discontinuation-after-the-ciris-the-siris
#6
E K Van Obberghen, M Cohen, F Rocher, C Lebrun-Frenay
Natalizumab (NTZ) is an effective treatment for patients with highly active relapsing remitting multiple sclerosis (MS). However, when the therapy must be interrupted, it is important to anticipate the withdrawal to avoid reactivation or disease rebound. Described here is the case of a 35-year-old woman, with a past history of beta thalassemia, bulimia and asthma, who was diagnosed with MS at age 26. She was treated initially with first-line subcutaneous (sc) immunomodulatory treatments. However, due to liver toxicity, interferon beta-1a sc was interrupted and replaced by glatiramer acetate treatment, which was well tolerated and used for several years...
March 31, 2017: Revue Neurologique
https://www.readbyqxmd.com/read/28371633/ovarian-torsion-and-spontaneous-ovarian-hyperstimulation-syndrome-in-a-twin-pregnancy-a-case-report
#7
Núria Gil Navarro, Emma Garcia Grau, Sílvia Pina Pérez, Laia Ribot Luna
INTRODUCTION: Ovarian hyperstimulation syndrome (OHSS) is extremely rare in spontaneous pregnancies. Spontaneous OHSS can result from glycoprotein hormones stimulating follicle-stimulating hormone receptors (FSHR). PRESENTATION OF CASE: We report a twin pregnancy in which ovarian torsion and hemoperitoneum complicating OHSS were treated with left adnexectomy and aspiration. The only trigger for spontaneous OHSS in this case was high levels of chorionic gonadotropin hormone...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28359096/early-maternal-thyroid-function-during-gestation-is-associated-with-fetal-growth-particularly-in-male-newborns
#8
Tanja G M Vrijkotte, E Jessica Hrudey, Marcel B Twickler
Background: Intrauterine growth patterns are influenced by maternal thyroid function during gestation and by fetal sex. It is unknown, however, whether the relationships between maternal thyrotropin (TSH) and free thyroxine (fT4) levels in early pregnancy and fetal growth outcomes are modified by fetal sex. Design: Data were obtained from a community-based cohort study of pregnant women living in Amsterdam (Amsterdam Born Children and Their Development study). TSH and fT4 levels were determined during the first prenatal screening at median 13 weeks (interquartile range, 12 to 14)...
March 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28346766/maternal-thyroid-parameters-in-pregnant-women-with-different-ethnic-backgrounds-do-ethnicity-specific-reference-ranges-improve-the-diagnosis-of-subclinical-hypothyroidism
#9
Flora Veltri, Julie Belhomme, Pierre Kleynen, Lidia Grabczan, Serge Rozenberg, Thierry Pepersack, Kris Poppe
OBJECTIVE: Guidelines on the management of thyroid dysfunction during pregnancy have recently been updated and, for the diagnosis of subclinical hypothyroidism (SCH), a thyroid-stimulating hormone (TSH) upper reference limit (cut-off) of 4.0 mIU/L has been proposed when no institutional values are available. It is also suggested that serum TSH and thyroid autoimmunity (TAI) may be different according to the ethnic background of the women. We therefore determined the prevalence of TAI and SCH in pregnant women with different ethnic backgrounds and, to define SCH, we used different first trimester TSH upper reference cut-offs (institutional, ethnicity-specific, 2...
March 27, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28345680/personal-and-occupational-risk-factors-for-carpal-tunnel-syndrome-in-meat-processing-industry-workers-in-northern-italy
#10
Matteo Riccò, Carlo Signorelli
BACKGROUND: Carpal tunnel syndrome (CTS) is a musculoskeletal condition that often impairs the fitness to work. Our aim is to retrospectively evaluate the association between physical exposures in meat processing industry in Northern Italy and the CTS, taking into account non-occupational factors. MATERIAL AND METHODS: A cross-sectional study was performed to include 434 workers (236 males, 198 females, 37.0±10.6 years old, working age: 12.6±10.8 years) from meat processing industries...
March 24, 2017: Medycyna Pracy
https://www.readbyqxmd.com/read/28327686/thyroid-hormone-profile-in-patients-with-chronic-kidney-disease-a-single-centre-study
#11
S Singh, A Verma, G Aryal, S Thapa, S Khakurel, K Shrestha
BACKGROUND: Chronic kidney disease (CKD) is a global burden and now recognized as a major public health problem worldwide. Patients with CKD have alteration in thyroid hormone metabolism. This study aims to evaluate the status of thyroid hormone profile in different stages of CKD. METHODS: The cross-sectional study included 103 CKD patients attending Nephrology and Dialysis unit of KIST Medical College Teaching Hospital, Lalitpur, Nepal. Serum creatinine, free triiodothyronine (fT3), free thyroxine (fT4), and thyroid stimulating hormone (TSH) were measured...
September 2016: Journal of Nepal Health Research Council
https://www.readbyqxmd.com/read/28323629/effects-of-levothyroxine-on-pregnancy-outcomes-in-women-with-thyroid-dysfunction-a-meta-analysis-of-randomized-controlled-trials
#12
Jia Li, Jie Shen, Lan Qin
Context • Subclinical hypothyroidism (SCH) in pregnancy can be associated with increased complications in pregnant women and neurocognitive deficits in fetuses. Two recently published meta-analyses investigated the effects of levothyroxine (LT4) supplementation on pregnancy outcomes but did not report adverse complications and neonatal outcomes. Objectives • The study intended to assess the effects of LT4 supplementation in the treatment of pregnant women with thyroid dysfunction. Design • The research team performed a meta-analysis of randomized controlled trials (RCTs) published in PubMed, Embase, Web of Science, Chinese BioMedical Literature Service System, and China National Knowledge Infrastructure databases...
March 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28302175/prolonged-hypothyroidism-severely-reduces-ovarian-follicular-reserve-in-adult-rats
#13
Li Meng, Eddy Rijntjes, Hans J M Swarts, Jaap Keijer, Katja J Teerds
BACKGROUND: There is substantial evidence both in humans and in animals that a prolonged reduction in plasma thyroid hormone concentration leads to reproductive problems, including disturbed folliculogenesis, impaired ovulation and fertilization rates, miscarriage and pregnancy complications. The objective of the present study is to examine the consequences of chronic hypothyroidism, induced in adulthood, for the size of the ovarian follicle pool. In order to investigate this, adult female rats were provided either a control or an iodide deficient diet in combination with perchlorate supplementation to inhibit iodide uptake by the thyroid...
March 16, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28295470/preconception-tsh-and-pregnancy-outcomes-a-population-based-cohort-study-in-184%C3%A2-611-women
#14
Shi Chen, Xiang Zhou, Huijuan Zhu, Hongbo Yang, Fengying Gong, Linjie Wang, Man Zhang, Yu Jiang, Chengsheng Yan, Jianqiang Li, Qing Wang, Shikun Zhang, Hui Pan
BACKGROUND: Whether subclinical hypothyroidism adversely impacts pregnancy outcomes is inconclusive, and limited data are available on the optimal TSH range in women planning pregnancy. OBJECTIVE: To investigate the association between maternal preconception TSH levels and pregnancy outcomes. DESIGN: Population-based cohort study. METHODS: From 2010 to 2012, the free National Pre-pregnancy Checkups Project recruited 248 501 pairs of volunteer couples across China, of which 184 611 women, who subsequently became pregnant, were studied...
March 15, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28286688/beneficial-effects-on-pregnancy-outcomes-of-thyroid-hormone-replacement-for-subclinical-hypothyroidism
#15
Norman J Blumenthal, Creswell J Eastman
Background. Hypothyroidism and raised thyroid antibody levels have been associated with adverse obstetrical outcomes. Several studies have investigated causal associations, but results have been inconsistent and few studies have reported the effects of thyroxine replacement therapy on pregnancy outcomes in hypothyroid patients. Objective. The primary study objective was to determine the outcome of pregnancies in women diagnosed with overt and subclinical hypothyroidism (SCH) (serum TSH > 2.5 mIU/L) and those with elevated circulating thyroid autoantibody levels in the first trimester of pregnancy and after the institution of appropriate thyroxine replacement therapy to maintain the serum TSH ≤ 2...
2017: Journal of Thyroid Research
https://www.readbyqxmd.com/read/28272924/imprinting-of-maternal-thyroid-hormones-in-the-offspring
#16
María Cecilia Opazo, Henny Haensgen, Karen Bohmwald, Luis F Venegas, Helene Boudin, Alvaro A Elorza, Felipe Simon, Carlos Fardella, Susan M Bueno, Alexis M Kalergis, Claudia A Riedel
Thyroid hormones (THs) during pregnancy contribute significantly to cellular differentiation and development in several tissues of the offspring, principally the central nervous system (CNS). TH deficiencies, such as hypothyroidism or hypothyroxinemia, are highly frequent during pregnancy worldwide and known to be detrimental for the development of the fetus. The function of CNS in the offspring gestated under TH deficiency will be irreversible impaired, causing low intellectual quotient, attention deficit, and mental retardation...
March 8, 2017: International Reviews of Immunology
https://www.readbyqxmd.com/read/28260263/iodine-supplementation-for-women-during-the-preconception-pregnancy-and-postpartum-period
#17
REVIEW
Kimberly B Harding, Juan Pablo Peña-Rosas, Angela C Webster, Constance My Yap, Brian A Payne, Erika Ota, Luz Maria De-Regil
BACKGROUND: Iodine is an essential nutrient required for the biosynthesis of thyroid hormones, which are responsible for regulating growth, development and metabolism. Iodine requirements increase substantially during pregnancy and breastfeeding. If requirements are not met during these periods, the production of thyroid hormones may decrease and be inadequate for maternal, fetal and infant needs. The provision of iodine supplements may help meet the increased iodine needs during pregnancy and the postpartum period and prevent or correct iodine deficiency and its consequences...
March 5, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28252463/colorectal-cancer-diagnosed-during-pregnancy-systematic-review-and-treatment-pathways
#18
Gianluca Pellino, Constantinos Simillis, Christos Kontovounisios, Daniel L Baird, Stella Nikolaou, Oliver Warren, Paris P Tekkis, Shahnawaz Rasheed
The aim of this study was to identify the mode of presentation and incidence of colorectal cancer in pregnancy (CRC-p), assess the outcomes of the mother and foetus according to gestational age, treatment delivered and cancer features and location. A systematic review of the literature was carried out to identify studies reporting on CRC-p and pooled analysis of the reported data. Seventy-nine papers reporting on 119 patients with unequivocal CRC-p were included. The calculated pooled risk is 0.002% and age at diagnosis has decreased over time...
March 1, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28250299/successful-pregnancies-and-deliveries-in-a-patient-with-evolving-hypopituitarism-due-to-pituitary-stalk-transection-syndrome-role-of-growth-hormone-replacement
#19
Miyako Yoshizawa, Yasuhiko Ieki, Eisuke Takazakura, Kaori Fukuta, Takao Hidaka, Takanobu Wakasugi, Akira Shimatsu
We herein report a 31-year-old Japanese woman with evolving hypopituitarism due to pituitary stalk transection syndrome. She had a history of short stature treated with growth hormone (GH) in childhood and had hypothyroidism and primary amenorrhea at 20 years old. Levothyroxine replacement and recombinant follicle stimulating hormone-human chorionic gonadotropin (FSH-hCG) therapy for ovulation induction were started. GH replacement therapy (GHRT) was resumed when she was 26 years old. She developed mild adrenocortical insufficiency at 31 years old...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28249140/subclinical-hypothyroidism-and-hypothyroxinemia-in-pregnancy-still-no-answers
#20
EDITORIAL
David S Cooper, Elizabeth N Pearce
No abstract text is available yet for this article.
March 2, 2017: New England Journal of Medicine
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