JOURNAL ARTICLE

Maternal consumption of dairy products, calcium, and vitamin D during pregnancy and infantile allergic disorders

Yoshihiro Miyake, Keiko Tanaka, Hitomi Okubo, Satoshi Sasaki, Masashi Arakawa
Annals of Allergy, Asthma & Immunology 2014, 113 (1): 82-7
24950846

BACKGROUND: Epidemiologic evidence of the association between maternal intake of dairy foods, calcium, and vitamin D during pregnancy and childhood allergic disorders is inconclusive.

OBJECTIVE: To examine the association between maternal intake of dairy foods, calcium, and vitamin D during pregnancy and childhood allergic disorders in Japanese children aged 23 to 29 months.

METHODS: Study participants were 1,354 mother-child pairs. Maternal intake during pregnancy was assessed with a validated diet history questionnaire administered between April 2007 and March 2008. Wheeze and eczema, defined according to criteria of the International Study of Asthma and Allergies in Childhood, and physician-diagnosed asthma and atopic eczema were assessed via a questionnaire completed by mothers.

RESULTS: Higher maternal intake of total dairy products during pregnancy was significantly associated with a reduced risk of infantile eczema (adjusted odds ratio [OR] between extreme quartiles, 0.64; 95% confidence interval [CI], 0.42-0.98). Higher maternal intake of cheese during pregnancy was significantly related to a reduced risk of physician-diagnosed infantile asthma (adjusted OR between extreme quartiles, 0.44; 95% CI, 0.18-0.97). Maternal intake levels of yogurt and calcium during pregnancy were significantly inversely associated with physician-diagnosed infantile atopic eczema (adjusted ORs between extreme quartiles, 0.49 and 0.34; 95% CI, 0.20-1.16 and 0.12-0.84; P for trend = .01 and .03, respectively). Maternal intake of vitamin D during pregnancy was significantly positively associated with infantile eczema (adjusted OR between extreme quartiles, 1.63; 95% CI, 1.07-2.51).

CONCLUSION: Higher maternal intake of total dairy products, cheese, yogurt, and calcium during pregnancy may reduce the risk of infantile eczema, physician-diagnosed asthma, physician-diagnosed atopic eczema, and physician-diagnosed atopic eczema, respectively. Higher maternal intake of vitamin D during pregnancy may increase the risk of infantile eczema.

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