Sun exposure and vitamin D supplementation in relation to vitamin D status of breastfeeding mothers and infants in the global exploration of human milk study

Although vitamin D (vD) deficiency is common in breastfed infants and their mothers during pregnancy and lactation, a standardized global comparison is lacking. We studied the prevalence and risk factors for vD deficiency using a standardized protocol in a cohort of breastfeeding mother-infant pairs...

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Bibliographic Details
Published in:Nutrients 2015-02, Vol.7 (2), p.1081-1093
Main Authors: Dawodu, Adekunle, Davidson, Barbara, Woo, Jessica G, Peng, Yong-Mei, Ruiz-Palacios, Guillermo M, de Lourdes Guerrero, Maria, Morrow, Ardythe L
Format: Article
Language:English
Subjects:
Adult
Babies
Breast Feeding
breastfeeding
Breastfeeding & lactation
Calcifediol - blood
China - epidemiology
Dietary Supplements
Electronic mail systems
Female
Hospitals
Humans
Infant
Infant Formula - administration & dosage
infants
Lactation - blood
Longitudinal Studies
Male
Mexico - epidemiology
Mothers
Nutrition research
Postpartum Period - blood
Pregnancy
Prevalence
Prospective Studies
Public health
Rickets
Risk Factors
Seasons
sun exposure
Sunlight
supplements
United States - epidemiology
Vitamin D
Vitamin D - administration & dosage
Vitamin D - blood
Vitamin D Deficiency - blood
Vitamin D Deficiency - diet therapy
Vitamin D Deficiency - epidemiology
Vitamin deficiency
Young Adult
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Summary:Although vitamin D (vD) deficiency is common in breastfed infants and their mothers during pregnancy and lactation, a standardized global comparison is lacking. We studied the prevalence and risk factors for vD deficiency using a standardized protocol in a cohort of breastfeeding mother-infant pairs, enrolled in the Global Exploration of Human Milk Study, designed to examine longitudinally the effect of environment, diet and culture. Mothers planned to provide breast milk for at least three months post-partum and were enrolled at four weeks postpartum in Shanghai, China (n=112), Cincinnati, Ohio (n=119), and Mexico City, Mexico (n=113). Maternal serum 25(OH)D was measured by radioimmunoassay (
ISSN:2072-6643
2072-6643
DOI:10.3390/nu7021081