Vitamin D deficiency and insufficiency in pregnant women: a longitudinal study

Maternal vitamin D insufficiency is associated with childhood rickets and longer-term problems including schizophrenia and type 1 diabetes. Whilst maternal vitamin D insufficiency is common in mothers with highly pigmented skin, little is known about vitamin D status of Caucasian pregnant women. The...

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Veröffentlicht in:British journal of nutrition 2009-09, Vol.102 (6), p.876-881
Hauptverfasser: Holmes, Valerie A., Barnes, Maria S., Alexander, H. Denis, McFaul, Peter, Wallace, Julie M. W.
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container_title British journal of nutrition
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creator Holmes, Valerie A.
Barnes, Maria S.
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McFaul, Peter
Wallace, Julie M. W.
description Maternal vitamin D insufficiency is associated with childhood rickets and longer-term problems including schizophrenia and type 1 diabetes. Whilst maternal vitamin D insufficiency is common in mothers with highly pigmented skin, little is known about vitamin D status of Caucasian pregnant women. The aim was to investigate vitamin D status in healthy Caucasian pregnant women and a group of age-matched non-pregnant controls living at 54–55°N. In a longitudinal study, plasma 25-hydroxyvitamin D (25(OH)D) was assessed in ninety-nine pregnant women at 12, 20 and 35 weeks of gestation, and in thirty-eight non-pregnant women sampled concurrently. Plasma 25(OH)D concentrations were lower in pregnant women compared to non-pregnant women (P 
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Denis</creatorcontrib><creatorcontrib>McFaul, Peter</creatorcontrib><creatorcontrib>Wallace, Julie M. W.</creatorcontrib><title>Vitamin D deficiency and insufficiency in pregnant women: a longitudinal study</title><title>British journal of nutrition</title><addtitle>Br J Nutr</addtitle><description>Maternal vitamin D insufficiency is associated with childhood rickets and longer-term problems including schizophrenia and type 1 diabetes. Whilst maternal vitamin D insufficiency is common in mothers with highly pigmented skin, little is known about vitamin D status of Caucasian pregnant women. The aim was to investigate vitamin D status in healthy Caucasian pregnant women and a group of age-matched non-pregnant controls living at 54–55°N. In a longitudinal study, plasma 25-hydroxyvitamin D (25(OH)D) was assessed in ninety-nine pregnant women at 12, 20 and 35 weeks of gestation, and in thirty-eight non-pregnant women sampled concurrently. Plasma 25(OH)D concentrations were lower in pregnant women compared to non-pregnant women (P &lt; 0·0001). Of the pregnant women, 35, 44 and 16 % were classified as vitamin D deficient (25(OH)D &lt; 25 nmol/l), and 96, 96 and 75 % were classified as vitamin D insufficient (25(OH)D &lt; 50 nmol/l) at 12, 20 and 35 weeks gestation, respectively. Vitamin D status was higher in pregnant women who reported taking multivitamin supplements at 12 (P &lt; 0·0001), 20 (P = 0·001) and 35 (P = 0·001) weeks gestation than in non-supplement users. Vitamin D insufficiency is evident in pregnant women living at 54–55°N. Women reporting use of vitamin D-containing supplements had higher vitamin D status, however, vitamin D insufficiency was still evident even in the face of supplement use. Given the potential consequences of hypovitaminosis D on health outcomes, vitamin D supplementation, perhaps at higher doses than currently available, is needed to improve maternal vitamin D nutriture.</description><subject>25-hydroxycholecalciferol</subject><subject>Adult</subject><subject>Biological and medical sciences</subject><subject>blood plasma</subject><subject>Blood tests</subject><subject>Dietary Supplements - utilization</subject><subject>Feeding. Feeding behavior</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. 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Denis</au><au>McFaul, Peter</au><au>Wallace, Julie M. W.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Vitamin D deficiency and insufficiency in pregnant women: a longitudinal study</atitle><jtitle>British journal of nutrition</jtitle><addtitle>Br J Nutr</addtitle><date>2009-09-28</date><risdate>2009</risdate><volume>102</volume><issue>6</issue><spage>876</spage><epage>881</epage><pages>876-881</pages><issn>0007-1145</issn><eissn>1475-2662</eissn><coden>BJNUAV</coden><abstract>Maternal vitamin D insufficiency is associated with childhood rickets and longer-term problems including schizophrenia and type 1 diabetes. Whilst maternal vitamin D insufficiency is common in mothers with highly pigmented skin, little is known about vitamin D status of Caucasian pregnant women. The aim was to investigate vitamin D status in healthy Caucasian pregnant women and a group of age-matched non-pregnant controls living at 54–55°N. In a longitudinal study, plasma 25-hydroxyvitamin D (25(OH)D) was assessed in ninety-nine pregnant women at 12, 20 and 35 weeks of gestation, and in thirty-eight non-pregnant women sampled concurrently. Plasma 25(OH)D concentrations were lower in pregnant women compared to non-pregnant women (P &lt; 0·0001). Of the pregnant women, 35, 44 and 16 % were classified as vitamin D deficient (25(OH)D &lt; 25 nmol/l), and 96, 96 and 75 % were classified as vitamin D insufficient (25(OH)D &lt; 50 nmol/l) at 12, 20 and 35 weeks gestation, respectively. Vitamin D status was higher in pregnant women who reported taking multivitamin supplements at 12 (P &lt; 0·0001), 20 (P = 0·001) and 35 (P = 0·001) weeks gestation than in non-supplement users. Vitamin D insufficiency is evident in pregnant women living at 54–55°N. Women reporting use of vitamin D-containing supplements had higher vitamin D status, however, vitamin D insufficiency was still evident even in the face of supplement use. Given the potential consequences of hypovitaminosis D on health outcomes, vitamin D supplementation, perhaps at higher doses than currently available, is needed to improve maternal vitamin D nutriture.</abstract><cop>Cambridge, UK</cop><pub>Cambridge University Press</pub><pmid>19331703</pmid><doi>10.1017/S0007114509297236</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record>
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subjects 25-hydroxycholecalciferol
Adult
Biological and medical sciences
blood plasma
Blood tests
Dietary Supplements - utilization
Feeding. Feeding behavior
Female
Fundamental and applied biological sciences. Psychology
Gestational Age
high latitude northern countries
Human and Clinical Nutrition
Humans
Longitudinal Studies
maternal nutrition
Maternal Nutritional Physiological Phenomena
Mental disorders
multivitamin supplements
nutritional status
Parity
Pregnancy
Pregnancy Complications - blood
Pregnancy Complications - drug therapy
pregnant women
Prenatal care
Seasons
Vertebrates: anatomy and physiology, studies on body, several organs or systems
Vitamin D
Vitamin D - analogs & derivatives
Vitamin D - blood
Vitamin D - therapeutic use
Vitamin D Deficiency - blood
Vitamin D Deficiency - drug therapy
Vitamin D insufficiency
Vitamin D supplementation
vitamin deficiencies
White people
Whites
Young Adult
title Vitamin D deficiency and insufficiency in pregnant women: a longitudinal study
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