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vitamin d and pregnant

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https://www.readbyqxmd.com/read/29165637/a-controlled-study-of-the-effects-of-ferric-carboxymaltose-on-bone-and-haematinic-biomarkers-in-chronic-kidney-disease-and-pregnancy
#1
Louis L Huang, Darren Lee, Stefanie M Troster, Annette B Kent, Matthew A Roberts, Iain C Macdougall, Lawrence P McMahon
Background: Intravenous (IV) iron can modulate fibroblast growth factor 23 (FGF23) concentrations and cause transient but significant hypophosphataemia. However, it is unknown what other markers might be involved, especially in different patient groups. This study aimed to determine changes in bone and haematinic biomarkers following IV ferric carboxymaltose (FCM) and to identify risk factors for hypophosphataemia in pregnant subjects and those with chronic kidney disease (CKD). Methods: Changes in bone [serum FGF23, fractional excretion of phosphate urinary fractional excretion of phosphate (FEPi), serum phosphate and serum vitamin D derivatives] and haematinic [plasma hepcidin, serum ferritin and transferrin saturation (TSAT)] biomarkers after 1 g of IV FCM were followed in iron-deficient pregnant and CKD patients and compared with controls (estimated glomerular filtration rate > 60 mL/min/1...
November 17, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29159790/vitamin-d-supplementation-in-pregnancy-a-survey-of-compliance-with-recommendations
#2
C M Windrim, D A Crosby, K Mitchell, C Brophy, R Mahony, M Higgins
BACKGROUND: Vitamin D deficiency in pregnancy has important maternal and fetal implications, with increased risk of developing gestational diabetes, preeclampsia, preterm birth and small for gestational age birthweight. It is recommended that every pregnant woman should take 5 μg (200 IU) of vitamin D per day during pregnancy and lactation. AIMS: This study aimed to determine the prevalence of women taking vitamin D supplementation and to identify the reasons for patients not taking supplementation within women attending an antenatal clinic in Dublin...
November 20, 2017: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/29158721/knowledge-of-community-pharmacists-about-the-risks-of-medication-use-during-pregnancy-in-central-region-of-saudi-arabia
#3
Ziyad Alrabiah, Mohamed N Al-Arifi, Sultan M Alghadeer, Syed Wajid, Ali AlQahtani, Naif Almotari, AbdAllh AlHwerani, Salmeen D Babelghaith
Background: Community pharmacists (CPs) are the most accessible health care provider to the public, and they have huge duties to improve medication use especially among the pregnant women in their community. The objective of this study was to evaluate knowledge of CPs about the medication safety during pregnancy. Methods: A prospective cross-sectional survey was carried out over practicing community pharmacists in a capital of Saudi Arabia (SA). Pharmacists were asked about the safety of each medicine during pregnancy...
November 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/29157031/early-prenatal-vitamin-d-concentrations-and-social-emotional-development-in-infants
#4
Devika Chawla, Bernard Fuemmeler, Sara Benjamin Neelon, Cathrine Hoyo, Susan Murphy, Julie Daniels
BACKGROUND: Many pregnant women in the USA have suboptimal vitamin D, but the impact on infant development is unclear. Moreover, no pregnancy-specific vitamin D recommendations have been widely accepted. AIMS: Given the ubiquitous expression of vitamin D receptors in the brain, we investigated the association between early prenatal plasma 25-hydroxyvitamin D (25(OH)D) concentrations and children's social and emotional development in the Newborn Epigenetic Study, a prospective study of pregnancies from 2009 to 2011 in Durham, North Carolina, United States of America...
November 20, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29153269/vitamin-d-pathway-gene-polymorphisms-influenced-vitamin-d-level-among-pregnant-women
#5
Bule Shao, Shuying Jiang, Xiamusiye Muyiduli, Shuojia Wang, Minjia Mo, Minchao Li, Zhaopin Wang, Yunxian Yu
AIMS: To explore the relationship between vitamin D pathway genes, gene-environment interactions and vitamin D level among southeast Chinese pregnant women. METHODS: 759 participants from Zhoushan Pregnant Women Cohort (ZPWC) study, were enrolled from August 2011 to April 2014 in China. Plasma 25(OH)D levels and genetic variants in vitamin D pathway (NADSYN1/DHCR7, GC, CYP3A4, CYP2R1, CYP27A1, CYP27B1, VDR, CYP24A1, and LRP2) were measured using the blood sample collected at the first trimester...
November 7, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29148924/influence-of-gestational-diabetes-on-the-activity-of-%C3%AE-aminolevulinate-dehydratase-and-oxidative-stress-biomarkers
#6
Fabiane Rodrigues, Leidiane de Lucca, Walter S Neme, Thissiane de Lima Gonçalves
OBJECTIVES: This study aimed to evaluate the activity of delta-aminolevulinate dehydratase (δ-ALA-D) and oxidative stress biomarkers in pregnant women with gestational diabetes mellitus (GDM), in order to demonstrate the involvement of oxidative stress in this condition, which presents pathophysiology still undetermined. METHODS: δ-ALA-D activity, lipid peroxidation estimated as the levels of thiobarbituric acid reactive substances (TBARS), protein (P-SH) and non-protein thiol (NP-SH) content, catalase (CAT) activity and concentration of vitamin C (VIT C) in samples of pregnant women with GDM (n = 48) and in healthy pregnant women (n = 30), who constituted the control group...
November 17, 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/29141476/comparison-of-sun-exposure-versus-vitamin-d-supplementation-for-pregnant-women-with-vitamin-d-deficiency
#7
Maryam Hajhashemi, Azadeh Khorsandi, Fedyeh Haghollahi
INTRODUCTION: Maternal vitamin D deficiency is widespread health problem which is more important in pregnant women which affects fetus growth and bone development. The aim of this study was to evaluate the effect of sun exposure versus vitamin D supplementation for pregnant women with vitamin D deficiency. MATERIALS AND METHODS: This prospective clinical trial was performed on 87 pregnant women with vitamin D deficiency. Group A was treated with vitamin D 4000 IU per day for 10 weeks, while group B was recommended for sun exposure for 30 minutes daily (30% body surface area) for 10 weeks in summer and between 10 am-4 pm in direct sunlight...
November 15, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29137132/maternal-vitamin-d-status-and-the-relationship-with-neonatal-anthropometric-and-childhood-neurodevelopmental-outcomes-results-from-the-seychelles-child-development-nutrition-study
#8
Eamon Laird, Sally W Thurston, Edwin van Wijngaarden, Conrad F Shamlaye, Gary J Myers, Philip W Davidson, Gene E Watson, Emeir M McSorley, Maria S Mulhern, Alison J Yeates, Mary Ward, Helene McNulty, J J Strain
Vitamin D has an important role in early life; however, the optimal vitamin D status during pregnancy is currently unclear. There have been recent calls for pregnant women to maintain circulating 25-hydroxyvitamin D (25(OH)D) concentrations >100 nmol/L for health, yet little is known about the long-term potential benefits or safety of achieving such high maternal 25(OH)D concentrations for infant or child health outcomes. We examined maternal vitamin D status and its associations with infant anthropometric and later childhood neurocognitive outcomes in a mother-child cohort in a sun-rich country near the equator (4...
November 11, 2017: Nutrients
https://www.readbyqxmd.com/read/29133192/maternal-micronutrients-omega-3-fatty-acids-and-gene-expression-of-angiogenic-and-inflammatory-markers-in-pregnancy-induced-hypertension-rats
#9
Nisha Kemse, Deepali Sundrani, Anvita Kale, Sadhana Joshi
BACKGROUND AND AIMS: Preeclampsia is a disorder of pregnancy and is associated with inflammation and altered angiogenesis. The present study examines the effect of micronutrient and omega-3 fatty acid supplementation (individual, as well as combined) on genes involved in inflammation and angiogenesis, as well as global DNA methylation levels in a pregnancy induced hypertension (PIH) rat model. METHODS: Pregnant Wistar rats were randomly assigned to six dietary groups: control, PIH (Pregnancy induced hypertension) Induced; PIH Induced with micronutrient supplements with vitamin B12 (PIHB), folate (PIHF), omega-3 fatty acid (PIHO), and combined supplementation (PIHC) (micronutrients and omega-3 fatty acids)...
November 10, 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/29128634/vitamin-d-receptor-vdr-polymorphisms-are-associated-to-spontaneous-preterm-birth-and-maternal-aspects
#10
N R Javorski, C A D Lima, L V C Silva, S Crovella, J de Azêvedo Silva
Preterm birth (PTB) is featured by less than 37weeks of gestational age or fewer than 259days since the first day from the last menstrual period. Complications of PTB are the major cause of neonatal deaths, several factors are linked to PTB increased risk including immunological and genetics. Vitamin D plays an important role in immune response modulation and its action occurs through the vitamin D receptor (VDR), which recently has been described as overexpressed in human placenta during the pregnancy. Herein we assessed two single nucleotide polymorphisms (SNPs) FokI (rs2228570 A>G) and Cdx-2 (rs11568820 T>C), within VDR, using TaqMan fluorogenic probes, and differential susceptibility to SPTB...
November 8, 2017: Gene
https://www.readbyqxmd.com/read/29116314/what-do-cochrane-systematic-reviews-say-about-interventions-for-vitamin-d-supplementation
#11
Mariana Vendramin Mateussi, Carolina de Oliveira Cruz Latorraca, Júlia Pozetti Daou, Ana Luiza Cabrera Martimbianco, Rachel Riera, Rafael Leite Pacheco, Daniela Vianna Pachito
CONTEXT AND OBJECTIVE: Despite the high prevalence of vitamin D supplementation, its use remains controversial. The objective of this review was to identify and summarize the evidence from Cochrane systematic reviews regarding vitamin D supplementation for preventing ortreating any clinical condition. DESIGN AND SETTING: Review of systematic reviews, conducted in the Discipline of Evidence-Based Medicine, Escola Paulista de Medicina, Universidade Federal de São Paulo...
November 6, 2017: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/29109081/vitamin-d-the-placenta-and-early-pregnancy-effects-on-trophoblast-function
#12
Ankana Ganguly, Jennifer Ann Tamblyn, Sarah Finn-Sell, Shiao-Yng Chan, Melissa Westwood, Janesh Gupta, Mark Kilby, Stephane R Gross, Martin Hewison
Pregnancy is associated with significant changes in vitamin D metabolism, notably increased maternal serum levels of active vitamin D, 1,25-dihydroxyvitamin (1,25(OH)2D). This appears to be due primarily to increased renal activity of the enzyme 25-hydroxyvitamin D-1α-hydroxylase (CYP27B1) that catalyzes synthesis of 1,25(OH)2D, but CYP27B1 expression is also prominent in both the maternal decidua and fetal trophoblast components of the placenta. The precise function of placental synthesis of 1,25(OH)2D remains unclear, but is likely to involve localised tissue-specific responses with both decidua and trophoblast also expressing the vitamin D receptor (VDR) for 1,25(OH)2D...
November 6, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/29102433/effect-of-vitamin-d-supplementation-on-non-skeletal-disorders-a-systematic-review-of-meta-analyses-and-randomised-trials
#13
REVIEW
Philippe Autier, Patrick Mullie, Alina Macacu, Miruna Dragomir, Magali Boniol, Kim Coppens, Cécile Pizot, Mathieu Boniol
Randomised trials reported up to Dec 31, 2012, did not confirm that vitamin D supplementation could protect from non-skeletal health conditions affecting adults, as was expected on the basis of data from observational studies. To examine whether the more recently published meta-analyses and trials would change past conclusions, we systematically reviewed meta-analyses of vitamin D supplementation and non-skeletal disorders published between Jan 1, 2013, and May 31, 2017, that included study participants of all ages, including pregnant women...
October 25, 2017: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/29096022/current-recommended-vitamin-d-prenatal-supplementation-and-fetal-growth-results-from-china-anhui-birth-cohort-study
#14
Rui-Xue Tao, Deng-Hon Meng, Jing-Jing Li, Shi-Lu Tong, Jia-Hu Hao, Kun Huang, Fang-Biao Tao, Peng Zhu
Context: Maternal vitamin D insufficiency have been associated with fetal growth restriction. However, the effect ofmaternal vitamin D supplementation on fetal growth has not been confirmed. Objective: To assess the effect of maternal vitamin D supplementation recommended byIOMduring pregnancy on the neonatal vitamin D status and the risk of small for gestational age (SGA). Design and Participants: As part of the China-Anhui Birth Cohort study, maternal sociodemographic characteristics, food intake, lifestyle, information of vitamin D supplementation and birth outcomes were prospectively collected...
October 31, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29082043/maternal-nutritional-deficiencies-and-small-for-gestational-age-neonates-at-birth-of-women-who-have-undergone-bariatric-surgery
#15
J Hazart, D Le Guennec, M Accoceberry, D Lemery, A Mulliez, N Farigon, C Lahaye, M Miolanne-Debouit, Y Boirie
The aim is to compare the prevalence of maternal deficiencies in micronutrients, the obstetrical and neonatal complications after bariatric surgery according to surgical techniques, the time between surgery and conception, and BMI at the onset of pregnancy. A retrospective cohort study concerned 57 singleton pregnancies between 2011 and 2016 of 48 adult women who have undergone bariatric surgery. Small-for-gestational-age neonates were identified in 36.0% of pregnancies. With supplements intake (periconceptional period: 56...
2017: Journal of Pregnancy
https://www.readbyqxmd.com/read/29080639/global-overview-of-vitamin-d-status
#16
REVIEW
Natasja van Schoor, Paul Lips
Vitamin D deficiency occurs all over the world, mainly in the Middle East, China, Mongolia, and India. This article focuses on the vitamin D status in adults. Risk groups include older persons, pregnant women, and non-Western immigrants. Adequate vitamin D status, defined as serum 25-hydroxyvitamin D greater than 50 nmol/L, is present in less than 50% of the world population, at least in winter. Preventative strategies, such as increasing fish consumption, fortification of foods, use of vitamin D supplements, and advice for moderate sunlight exposure, are warranted...
December 2017: Endocrinology and Metabolism Clinics of North America
https://www.readbyqxmd.com/read/29077711/prenatal-vitamin-d-supplementation-reduces-risk-of-asthma-recurrent-wheeze-in-early-childhood-a-combined-analysis-of-two-randomized-controlled-trials
#17
Helene M Wolsk, Bo L Chawes, Augusto A Litonjua, Bruce W Hollis, Johannes Waage, Jakob Stokholm, Klaus Bønnelykke, Hans Bisgaard, Scott T Weiss
BACKGROUND: We recently published two independent randomized controlled trials of vitamin D supplementation during pregnancy, both indicating a >20% reduced risk of asthma/recurrent wheeze in the offspring by 3 years of age. However, neither reached statistical significance. OBJECTIVE: To perform a combined analysis of the two trials and investigate whether maternal 25-hydroxy-vitamin D (25(OH)D) level at trial entry modified the intervention effect. METHODS: VDAART (N = 806) and COPSAC2010...
2017: PloS One
https://www.readbyqxmd.com/read/29069957/investigating-the-relationship-between-25-hydroxyvitamin-d-and-thyroid-function-in-second-trimester-pregnant-women
#18
Ying Pan, Shao Zhong, Qin Liu, Cai-Bo Wang, Wen-Hua Zhu, Xian-An Shen, Bing Lu, Li-Wen Shen, Yanjun Zeng
This study aims to explore the correlation between serum 25-hydroxyvitamin D and thyroid hormones during the second trimester. In total, 277 pregnant women at 13-28 weeks of gestation were enrolled. According to the level of thyrotropic-stimulating hormone, they were divided into a reduced TSH group, a normal TSH group and an elevated TSH group. In this study, we found that the prevalence of vitamin D deficiency was as high as 94.58%. The 25-hydroxyvitamin D level in the reduced TSH group was lower than that in the normal thyroid function group (p = ...
October 26, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29066285/understanding-vitamin-d-metabolism-in-pregnancy-from-physiology-to-pathophysiology-and-clinical-outcomes
#19
Spyridon N Karras, Carol L Wagner, V Daniel Castracane
This critical time frame of intrauterine life development is considered of major importance on the metabolic imprinting of overall health of the offspring, in later life. This requires a delicate immune balance that nurtures the allogeneic fetus, while maintaining reactivity against pathogens. Dysregulation of these tightly controlled biophenomena at a systemic and placental level, have been considered as a potential mechanism mediating pathogenesis of preeclampsia and spontaneous birth. In this context, vitamin D has been considered as a significant regulator of both innate and adaptive immunity by regulating cell proliferation, differentiation and apoptosis...
October 21, 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29039975/maternal-and-cord-blood-cyclophilin-a-in-severe-preeclampsia-and-normal-pregnancy-and-its-correlation-with-vitamin-d-and-zinc
#20
Noroyono Wibowo, Riyan Hari Kurniawan, Rima Irwinda, Natasya Prameswari
OBJECTIVE: To investigate maternal and cord blood cyclophilin A level in severe preeclampsia compared with normal pregnancy and its correlation with vitamin D and zinc level. METHODS: We conducted a cross-sectional observational study of pregnant women who gave birth in Cipto Mangunkusumo Hospital between January and April 2014. RESULTS: Thirty-nine subjects were included. Subjects with severe preeclampsia have higher serum cyclophilin A levels compared with normotensive pregnancy (1299...
November 2017: Hypertension in Pregnancy
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