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Determinants of vitamin D status in pregnant fair-skinned women in Sweden
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Zeitschriftentitel: | British Journal of Nutrition |
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Personen und Körperschaften: | , , |
In: | British Journal of Nutrition, 110, 2013, 5, S. 856-864 |
Format: | E-Article |
Sprache: | Englisch |
veröffentlicht: |
Cambridge University Press (CUP)
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Schlagwörter: |
author_facet |
Brembeck, Petra Winkvist, Anna Olausson, Hanna Brembeck, Petra Winkvist, Anna Olausson, Hanna |
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author |
Brembeck, Petra Winkvist, Anna Olausson, Hanna |
spellingShingle |
Brembeck, Petra Winkvist, Anna Olausson, Hanna British Journal of Nutrition Determinants of vitamin D status in pregnant fair-skinned women in Sweden Nutrition and Dietetics Medicine (miscellaneous) |
author_sort |
brembeck, petra |
spelling |
Brembeck, Petra Winkvist, Anna Olausson, Hanna 0007-1145 1475-2662 Cambridge University Press (CUP) Nutrition and Dietetics Medicine (miscellaneous) http://dx.doi.org/10.1017/s0007114512005855 <jats:p>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 (<jats:sc>sd</jats:sc>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.</jats:p> Determinants of vitamin D status in pregnant fair-skinned women in Sweden British Journal of Nutrition |
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title |
Determinants of vitamin D status in pregnant fair-skinned women in Sweden |
title_unstemmed |
Determinants of vitamin D status in pregnant fair-skinned women in Sweden |
title_full |
Determinants of vitamin D status in pregnant fair-skinned women in Sweden |
title_fullStr |
Determinants of vitamin D status in pregnant fair-skinned women in Sweden |
title_full_unstemmed |
Determinants of vitamin D status in pregnant fair-skinned women in Sweden |
title_short |
Determinants of vitamin D status in pregnant fair-skinned women in Sweden |
title_sort |
determinants of vitamin d status in pregnant fair-skinned women in sweden |
topic |
Nutrition and Dietetics Medicine (miscellaneous) |
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http://dx.doi.org/10.1017/s0007114512005855 |
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2013 |
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856-864 |
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<jats:p>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 (<jats:sc>sd</jats:sc>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.</jats:p> |
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author | Brembeck, Petra, Winkvist, Anna, Olausson, Hanna |
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description | <jats:p>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 (<jats:sc>sd</jats:sc>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.</jats:p> |
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spelling | Brembeck, Petra Winkvist, Anna Olausson, Hanna 0007-1145 1475-2662 Cambridge University Press (CUP) Nutrition and Dietetics Medicine (miscellaneous) http://dx.doi.org/10.1017/s0007114512005855 <jats:p>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 (<jats:sc>sd</jats:sc>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.</jats:p> Determinants of vitamin D status in pregnant fair-skinned women in Sweden British Journal of Nutrition |
spellingShingle | Brembeck, Petra, Winkvist, Anna, Olausson, Hanna, British Journal of Nutrition, Determinants of vitamin D status in pregnant fair-skinned women in Sweden, Nutrition and Dietetics, Medicine (miscellaneous) |
title | Determinants of vitamin D status in pregnant fair-skinned women in Sweden |
title_full | Determinants of vitamin D status in pregnant fair-skinned women in Sweden |
title_fullStr | Determinants of vitamin D status in pregnant fair-skinned women in Sweden |
title_full_unstemmed | Determinants of vitamin D status in pregnant fair-skinned women in Sweden |
title_short | Determinants of vitamin D status in pregnant fair-skinned women in Sweden |
title_sort | determinants of vitamin d status in pregnant fair-skinned women in sweden |
title_unstemmed | Determinants of vitamin D status in pregnant fair-skinned women in Sweden |
topic | Nutrition and Dietetics, Medicine (miscellaneous) |
url | http://dx.doi.org/10.1017/s0007114512005855 |