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BONNY L. SPECKER, PHD; REGINALD C. TSANG, MD
Division of Neonatology University of Cincinnati Medical Center 231 Bethesda Ave (ML-541) Cincinnati, OH 45267-0541

Am J Dis Child. 1986;140(6):506.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

In Reply.—We appreciate the letter of Dr Özsoylu and agree that studies on the absorption of vitamin D and 25-OHD in human milk are needed. It might indeed be that absorption of vitamin D and its metabolites in human milk may be better than in formula. We would like to emphasize, however, that in the population we studied the serum 25-OHD concentrations were not found to be related to the milk concentrations; we speculated that this was due to the important effect of sunlight exposure on the vitamin D status of these infants, overwhelming any dietary effect.

Dr Özsoylu stated that the protective effect of vitamin D in milk may not be obvious in infants who had intrauterine vitamin D deficiency. We observed that the 25-OHD content of milk was correlated with the maternal serum concentration; therefore, mothers with low vitamin D status will have low milk vitamin D . . . [Full Text PDF of this Article]

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