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vitamin d and pregnant

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https://www.readbyqxmd.com/read/28428691/relationship-between-xanthine-oxidase-ischemia-modified-albumin-nitric-oxide-with-antioxidants-in-non-pregnants-pre-and-post-delivery-of-normal-pregnants-and-preeclampsia
#1
Vanishree Bambrana, C D Dayanand, Pushpa Kotur
Preeclampsia is a multisystem disorder involves altered homeostasis of oxidants-antioxidants, inflammatory process and endothelial dysfunction. The present study aim was to determine the levels of oxidative stress parameters (malondialdehyde, protein carbonyl, ischemia modified albumin and xanthine oxidase), nutrient antioxidants (vitamin C and vitamin E), enzyme antioxidants (catalase, superoxide dismutase, glutathione peroxidase glutathione reductase), total antioxidant status (TAS) and its association with nitric oxide...
June 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28424259/maternal-vitamin-d-insufficiency-early-in-pregnancy-is-associated-with-increased-risk-of-preterm-birth-in-ethnic-minority-women-in-canada
#2
Negar Tabatabaei, Nathalie Auger, Catherine M Herba, Shuqin Wei, Catherine Allard, Guy D Fink, William D Fraser
Background: Maternal vitamin D insufficiency (plasma 25-hydroxyvitamin D [25(OH)D] <75 nmol/L) may play a role in ethnic disparities in rates of preterm and spontaneous preterm births.Objective: We explored the relation between maternal plasma 25(OH)D concentration in the first trimester (8-14 wk of gestation) and the risk of preterm and spontaneous preterm births (<37 wk of gestation) by ethnicity.Methods: We designed a case-control study that included 120 cases of preterm birth (<37 wk of gestation) and 360 term controls (≥37 wk of gestation) of singleton pregnancies from the 3D cohort, a multicenter study in 2456 pregnant women in Quebec, Canada...
April 19, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28422514/vitamin-c-prevents-offspring-dna-methylation-changes-associated-with-maternal-smoking-in-pregnancy
#3
Lyndsey E Shorey-Kendrick, Cindy T McEvoy, Betsy Ferguson, Julja Burchard, Byung S Park, Lina Gao, Brittany H Vuylsteke, Kristin F Milner, Cynthia D Morris, Eliot R Spindel
BACKGROUND: Infants whose mothers smoked during pregnancy demonstrate lifelong decreases in pulmonary function. DNA methylation changes associated with maternal smoking during pregnancy have been described in placenta and cord blood at delivery, in fetal lung, and in buccal epithelium and blood during childhood. We recently demonstrated in a randomized clinical trial (NCT00632476) that vitamin C supplementation to pregnant smokers can lessen the impact of maternal smoking on offspring pulmonary function and decrease the incidence of wheeze at one year of age...
April 19, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28421711/vitamin-d-status-of-white-pregnant-women-and-infants-at-birth-and-4%C3%A2-months-in-north-west-england-a-cohort-study
#4
A J B Emmerson, K Dockery, M Z Mughal, S A Roberts, C L Tower, J L Berry
The prevalence of vitamin D deficiency in pregnant white-skinned women (WSW) and their infants has not been investigated at northern latitudes in a developed county. A 2-year observational cohort study was undertaken in the North West of England to determine 25-hydroxyvitamin D (25OHD) levels in WSW and their infants during pregnancy and 4 months postdelivery and to explore factors associated with these levels. Nutritional and lifestyle questionnaires were completed and 25OHD levels measured at 28 weeks and 4 months postdelivery...
April 18, 2017: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/28420274/comparison-of-serum-folate-25-oh-vitamin-d-and-calcium-levels-between-pregnants-with-and-without-fetal-anomaly-of-neural-tube-origin
#5
Hicran Acar Sirinoglu, Kaan Pakay, Murat Aksoy, Işil Turan Bakırci, Enis Ozkaya, Ilhan Sanverdi
AIM: The aim of this study was to compare serum folate, vitamin B12, 25-OH vitamin D and calcium levels between pregnants with and without fetal anomaly of neural tube origin. METHODS: One hundred seventy eight pregnants were recruited for this study. Pregnants with and without sonographically detected fetal anomaly of neural tube origin were compared in terms of serum folate, vitamin B12, 25-OH vitamin D and calcium levels. RESULTS: There were significant differences between groups with regard to age, serum 25 OH vitamin D, 1,25 OH vitamin D, folate, calcium and B 12 levels...
April 19, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28413421/the-effect-of-vitamin-d-and-calcium-plus-vitamin-d-on-leg-cramps-in-pregnant-women-a-randomized-controlled-trial
#6
Ameneh Mansouri, Mojgan Mirghafourvand, Sakineh Mohammad Alizadeh Charandabi, Moslem Najafi
BACKGROUND: This study intended to determine the effects of Vitamin D and calcium-Vitamin D in treating leg cramps in pregnant women. MATERIALS AND METHODS: This study was conducted as a double-blind randomized controlled clinical trial on 126 participants, 18-35-year-old pregnant women with a minimum of two leg cramps per week who were referred to health-care centers in Tabriz-Iran in 2013. The participants were allocated to three 42 member groups using a randomized block design...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28404834/promotion-of-orange-fleshed-sweet-potato-increased-vitamin-a-intakes-and-reduced-the-odds-of-low-retinol-binding-protein-among-postpartum-kenyan-women
#7
Amy Webb Girard, Frederick Grant, Michelle Watkinson, Haile Selassie Okuku, Rose Wanjala, Donald Cole, Carol Levin, Jan Low
Background: Orange-fleshed sweet potato (OFSP) improves vitamin A (VA) status of young children; research with pregnant and lactating women is limited.Objective: We examined the effectiveness of the Mama SASHA (Sweetpotato Action for Security and Health in Africa) program to improve nutrition knowledge, diets, and nutritional status of pregnant and lactating women (PLW) in Western Kenya.Methods: Eight health facilities were allocated to the Mama SASHA intervention or comparison arms. PLW in intervention facilities received enhanced nutrition counseling at health clinics, were linked with community-based maternal support groups, and received vouchers for OFSP vine cuttings...
April 12, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28403955/french-prenatal-vitamin-d-recommended-supplementation-enough-or-not
#8
P-F Ceccaldi, H Pejoan, N Breau, D Diallo, G Ducarme, O Poujade, C Davitian, D Luton
OBJECTIVE: To determine the impact of current recommended vitamin D prenatal supplementation on blood cord 25(OH)D level in a French cohort and to determine population at risk of higher needs. DESIGN AND SETTING: An observational prospective study was conducted in teaching hospital including two large groups of newborns, one born after summer and another after winter period. PATIENTS AND METHODS: Three hundred and ninety-nine mother/newborns pairs were enrolled and blood cord results were available for 225 newborns in the post-summer group and 174 newborns in the post-winter group...
January 2017: J Gynecol Obstet Hum Reprod
https://www.readbyqxmd.com/read/28403948/association-between-early-pregnancy-vitamin-d-status-and-changes-in-serum-lipid-profiles-throughout-pregnancy
#9
Jaqueline Lepsch, Ilana Eshriqui, Dayana Rodrigues Farias, Juliana S Vaz, Amanda C Cunha Figueiredo, Amanda Rodrigues Amorim Adegboye, Alex Brito, Rana Mokhtar, Lindsay H Allen, Michael F Holick, Gilberto Kac
OBJECTIVE: To evaluate the associations between first trimester 25-hydroxyvitamin D [25(OH)D] status and changes in high-density lipoprotein cholesterol (HDL-c), low-density lipoprotein cholesterol (LDL-c), total cholesterol (TC), triglyceride (TG) concentrations, TG/HDL-c, and TC/HDL-c ratios throughout pregnancy. We hypothesized that first trimester 25(OH)D inadequacy is associated with lower concentrations of HDL-c and higher LDL-c, TC, TG, TG/HDL-c, and TC/HDL-c ratios throughout pregnancy...
May 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28403940/vitamin-d-replacement-in-children-adolescents-and-pregnant-women-in-the-middle-east-and-north-africa-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#10
REVIEW
Marlene Chakhtoura, Sara El Ghandour, Khaled Shawwa, Elie A Akl, Asma Arabi, Ziyad Mahfoud, Robert Habib, Hassan Hoballah, Ghada El Hajj Fuleihan
INTRODUCTION: Hypovitaminosis D affects one-third to two-thirds of children and pregnant women from the Middle East and North Africa (MENA) region. OBJECTIVE: To evaluate in infants, children, adolescents and pregnant women, from the MENA region, the effect of supplementation with different vitamin D doses on the change in 25-hydroxyvitamin D [25(OH)D] level reached, and other skeletal and non-skeletal outcomes. METHODS: This is a systematic review of randomized controlled trials of vitamin D supplementation conducted in the MENA region...
May 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28395421/-research-on-the-correlation-and-regulation-of-bone-metabolism-related-biochemical-indexes-in-different-gestational-ages
#11
X H Xi, X L Guo, J R Zhang, R Su, T T Ma, J M Ma, L X Wang
Objective: To investigate the correlation and metabolic characteristics of the growth hormone (GH) and other bone metabolism related biochemical markers in pregnancy women serum. Methods: Determination of GH, 25 hydroxy vitamin D(25(OH)D), osteocalcin n-terminal fragments (N-MID), total propeptide of type 1 procollagen (TP1NP) and alkaline phosphatase (ALP) levels in different gestation women serum, the experimental group involving 75 cases of early pregnancy women(11-14 weeks), 135 cases of pregnancy women(15-21 weeks), 62 cases of late pregnancy women(31-40 weeks) and 28 cases of postpartum women(1-3 days)...
April 4, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28389419/rationale-and-design-of-khuzestan-vitamin-d-deficiency-screening-program-in-pregnancy-a-stratified-randomized-vitamin-d-supplementation-controlled-trial
#12
Maryam Rostami, Fahimeh Ramezani Tehrani, Masoumeh Simbar, Farhad Hosseinpanah, Hamid Alavi Majd
BACKGROUND: Although there have been marked improvements in our understanding of vitamin D functions in different diseases, gaps on its role during pregnancy remain. Due to the lack of consensus on the most accurate marker of vitamin D deficiency during pregnancy and the optimal level of 25-hydroxyvitamin D, 25(OH)D, for its definition, vitamin D deficiency assessment during pregnancy is a complicated process. Besides, the optimal protocol for treatment of hypovitaminosis D and its effect on maternal and neonatal outcomes are still unclear...
April 7, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28381532/single-high-dose-vitamin-a-supplementation-to-neonatal-piglets-results-in-a-transient-dose-response-in-extrahepatic-organs-and-sustained-increases-in-liver-stores
#13
Bryan M Gannon, Christopher R Davis, Nivedita Nair, Michael Grahn, Sherry A Tanumihardjo
Background: Neonatal vitamin A (VA) supplementation is being evaluated as a public health policy for preventing infant mortality, but inconsistencies in mortality trials demand mechanistic work to determine biological plausibility.Objectives: We investigated the absorption, distribution, and storage of single large oral VA doses administered shortly after birth.Methods: Fifty pregnant sows (Sus scrofas domesticas) were fed a VA-free diet. Male and female newborn piglets (n = 313) were orally administered 0, 25,000, 50,000, or 200,000 IU VA in oil within 12 h of birth when mean ± SD weight was 1...
April 5, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28367934/distribution-of-serum-25-hydroxyvitamin-d-levels-of-reproductive-age-japanese-women
#14
Nobuko Takaoka, Masanori Nagao, Mitsumasa Umezawa, Toshimi Sairenchi, Yasuo Haruyama, Gen Kobashi
Objectives The distribution of serum 25-hydroxyvitamin D [25(OH)D] levels among reproductive age Japanese perinatal (prepartum, intrapartum, postpartum) and non-perinatal women remains unknown. In addition to this, vitamin D deficiency cut-off values, which consider the effects of these levels during the perinatal period and infant development, have not been determined. Thus, we systematically reviewed the distribution of serum 25(OH)D levels among reproductive age Japanese women, in order to provide basic data to determine vitamin D deficiency cut-off values...
2017: [Nihon Kōshū Eisei Zasshi] Japanese Journal of Public Health
https://www.readbyqxmd.com/read/28353643/plasma-vitamin-d-deficiency-is-associated-with-poor-sleep-quality-and-night-time-eating-at-mid-pregnancy-in-singapore
#15
Tuck Seng Cheng, See Ling Loy, Yin Bun Cheung, Shirong Cai, Marjorelee T Colega, Keith M Godfrey, Yap-Seng Chong, Kok Hian Tan, Lynette Pei-Chi Shek, Yung Seng Lee, Ngee Lek, Jerry Kok Yen Chan, Mary Foong-Fong Chong, Fabian Yap
Plasma 25-hydroxyvitamin D (25OHD) deficiency, poor sleep quality, and night-time eating, have been independently associated with adverse pregnancy outcomes, but their inter-relationships are yet to be evaluated. We aimed to investigate the associations between maternal plasma 25OHD status and sleep quality and circadian eating patterns during pregnancy. Data on pregnant women (n = 890) from a prospective cohort (Growing Up in Singapore Towards healthy Outcomes) were analyzed. Plasma 25OHD concentration was measured, while the Pittsburgh sleep quality index (PSQI) and 24-h dietary recall were administered to women at 26-28 weeks' gestation...
March 29, 2017: Nutrients
https://www.readbyqxmd.com/read/28353072/changes-in-plasma-concentrations-of-25-hydroxyvitamin-d-and-1-25-dihydroxyvitamin-d-during-pregnancy-a-brazilian-cohort
#16
Amanda C Cunha Figueiredo, Paula Guedes Cocate, Amanda R Amorim Adegboye, Ana Beatriz Franco-Sena, Dayana R Farias, Maria Beatriz Trindade de Castro, Alex Brito, Lindsay H Allen, Rana R Mokhtar, Michael F Holick, Gilberto Kac
PURPOSE: To characterize the physiological changes in 25-hydroxyvitamin D [25(OH)D] and 1,25-dihydroxyvitamin D [1,25(OH)2D] throughout pregnancy. METHODS: Prospective cohort of 229 apparently healthy pregnant women followed at 5th-13th, 20th-26th, and 30th-36th gestational weeks. 25(OH)D and 1,25(OH)2D concentrations were measured by LC-MS/MS. Statistical analyses included longitudinal linear mixed-effects models adjusted for parity, season, education, self-reported skin color, and pre-pregnancy BMI...
March 28, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28348564/lower-serum-vitamin-d-metabolite-levels-in-relation-to-circulating-cytokines-chemokines-and-metabolic-hormones-in-pregnant-women-with-hypertensive-disorders
#17
Ramu Adela, Roshan M Borkar, Navneeta Mishra, Murali Mohan Bhandi, Gayatri Vishwakarma, B Aparna Varma, Srinivas Ragampeta, Sanjay K Banerjee
The aim of this study was to investigate whether lower serum vitamin D metabolite levels were associated with altered cytokine/chemokine and metabolic hormone levels in three different hypertensive disorders in pregnancy (HDP). Healthy pregnancy (n = 30) and hypertensive disorders in pregnancy (HDP) (n = 30), i.e., gestational hypertension (GH), preeclampsia (PE), and eclampsia (EC) subjects were enrolled. Vitamin D metabolites were measured by UPLC/APCI/HRMS method. Circulatory 27 cytokines/chemokines and 10 metabolic hormones were measured...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28346700/vitamin-d-status-in-wild-toque-macaques-macaca-sinica-in-sri-lanka
#18
Michael L Power, Wolfgang P J Dittus
The vitamin D receptor is found on most cells, including active immune cells, implying that vitamin D has important biological functions beyond calcium metabolism and bone health. Although captive primates should be given a dietary source of vitamin D, under free-living conditions vitamin D is not a required nutrient, but rather is produced in skin when exposed to UV-B light. The circulating level of 25 hydroxyvitamin D (25-OH-D) considered adequate for humans is a topic of current controversy. Levels of circulating 25-OH-D sufficient for good health for macaques and other Old World anthropoids are assumed to be the same as human values, but data from free-living animals are scant...
March 27, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/28341341/the-high-prevalence-of-vitamin-d-insufficiency-in-cord-blood-in-calgary-alberta-apron-d-study
#19
Fariba Aghajafari, Catherine J Field, Bonnie J Kaplan, Jack A Maggiore, Maeve O'Beirne, David A Hanley, Misha Eliasziw, Deborah Dewey, Sue Ross, Doreen Rabi
OBJECTIVE: Vitamin D is important in promoting healthy pregnancy and fetal development. We undertook this study to measure 25-hydroxyvitamin D in maternal and cord blood and to identify maternal factors related to vitamin D status in Calgary. METHODS: Blood samples collected at the time of delivery from the Alberta Pregnancy Outcomes and Nutrition study cohort (ApronStudy.ca) participants were processed for plasma and assayed using liquid chromatography mass spectrometry methodology for 25(OH)D3...
March 21, 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28337028/modifiable-risk-factors-of-maternal-postpartum-weight-retention-an-analysis-of-their-combined-impact-and-potential-opportunities-for-prevention
#20
J L Hollis, S R Crozier, H M Inskip, C Cooper, K M Godfrey, N C Harvey, C E Collins, S M Robinson
BACKGROUND/OBJECTIVES: Pregnancy triggers a physiological change in weight status. Postpartum weight retention in the childbearing years can substantially alter a woman's weight gain trajectory, with several potential contributing factors identified. Most research has relied on women's recall of pre-pregnancy weight during pregnancy or later, and not considered risk factors in combination. Using measured pre-pregnancy weight, this study aimed to examine the associations of maternal postpartum weight retention with parity, pre-pregnancy BMI, excessive gestational weight gain (GWG), maternal serum vitamin D concentration and dietary Glycaemic Index in early and late pregnancy and breastfeeding duration, including analysis of the combined impact of potentially modifiable risk factors...
March 24, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
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