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  • Brembeck, Petra,1977Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition (author)

Determinants of vitamin D status in pregnant fair-skinned women in Sweden

  • Article/chapterEnglish2013

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  • 2013
  • electronicrdacarrier

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  • LIBRIS-ID:oai:gup.ub.gu.se/174181
  • https://gup.ub.gu.se/publication/174181URI
  • https://doi.org/10.1017/S0007114512005855DOI

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  • Language:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

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  • Low maternal vitamin D status during pregnancy may have negative consequences for both mother and child. There are few studies of vitamin D status and its determinants in pregnant women living at northern latitudes. Thus, the present study investigates vitamin D status and its determinants during the third trimester of women living in Sweden (latitudes 57–58°N). A total of ninety-five fair-skinned pregnant women had blood taken between gestational weeks 35 and 37. The study included a 4 d food diary and questionnaires on dietary intake, supplement use, sun exposure, skin type, travels to southern latitudes and measure of BMI. Serum 25-hydroxyvitamin D (25(OH)D) was analysed using the chemiluminescence immunoassay. In the third trimester of pregnancy, mean serum concentration of 25(OH)D was 47·4 (sd 18·1) nmol/l (range 10–93 nmol/l). In total, 65 % of women had serum 25(OH)D < 50 nmol/l and 17 % < 30 nmol/l. During the winter, 85 % of the pregnant women had serum 25(OH)D < 50 nmol/l and 28 % < 30 nmol/l. The main determinants of vitamin D status were as follows: season; use of vitamin D supplements; travels to southern latitudes. Together, these explained 51 % of the variation in 25(OH)D. In conclusion, during the winter, the majority of fair-skinned pregnant women had serum 25(OH)D < 50 nmol/l in their third trimester and more than every fourth woman < 30 nmol/l. Higher vitamin D intake may therefore be needed during the winter for fair-skinned pregnant women at northern latitudes to avoid vitamin D deficiency.

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  • Winkvist, Anna,1962Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition(Swepub:gu)xwinan (author)
  • Olausson, Hanna,1975Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition(Swepub:gu)xolauh (author)
  • Göteborgs universitetInstitutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition (creator_code:org_t)

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  • In:British Journal of Nutrition110:5, s. 856-8640007-11451475-2662

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