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Dark skin pregnancies 2.6 times more likely to have low vitamin D – March 2017

Prevalence of Vitamin D Deficiency and Its Associations with Skin Color in Pregnant Women in the First Trimester in a Sample from Switzerland.

Nutrients. 2017 Mar 10;9(3). pii: E260. doi: 10.3390/nu9030260.
Richard A1, Rohrmann S2, Quack Lötscher KC3.


Dark skin births are much riskier due to lack of vitamin D)
The articles in both categories of Pregnancy AND Dark Skin are here:

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Vitamin D deficiency in pregnancy has negative clinical consequences, such as associations with glucose intolerance, and has been shown to be distributed differently in certain ethnic groups. In some countries, a difference in the rate of vitamin D deficiency was detected in pregnant women depending on their skin color. We examined the prevalence of vitamin D deficiency (<20 ng/mL) in women in early pregnancy in Switzerland and evaluated the association of skin color with vitamin D deficiency. In a single-center cohort study, the validated Fitzpatrick scale and objective melanin index were used to determine skin color. Of the 204 pregnant women included, 63% were vitamin D deficient. The mean serum 25-hydroxyvitamin D concentration was 26.1 ng/mL (95% confidence interval (CI) 24.8-27.4) in vitamin D-sufficient women and 10.5 ng/mL (95% CI 9.7-11.5) in women with deficiency. In the most parsimonious model, women with dark skin color were statistically significantly more often vitamin D deficient compared to women with light skin color (OR 2.60; 95% CI 1.08-6.22; adjusted for age, season, vitamin D supplement use, body mass index, smoking, parity). This calls for more intense counseling as one policy option to improve vitamin D status during pregnancy, i.e., use of vitamin D supplements during pregnancy, in particular for women with darker skin color.

PMID: 28287422 DOI: 10.3390/nu9030260

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ID Name Comment Uploaded Size Downloads
7831 Pregnancy dark skin.pdf PDF 2017 admin 15 Mar, 2017 02:47 539.38 Kb 417
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