Vitamin K and Newborns


Given that:


– Vitamin K is not easily transported from the mother to the fetus through the placenta

– Newborns have sterile intestines and cannot initially synthesize vitamin K.

– Human milk has very low concentrations of vitamin K,


some authors recommends that all newborns receive a single intramuscular dose of Vitamin K, since Vitamin K is a liposoluble vitamin necessary for:


a)     the prevention of oxidative damage


b)     Ca++ and phosphate metabolism


c)      the vision process


d)     the synthesis of some coagulation factors


e)     the differentiation of epithelial cells.




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