Childbirth stress. An immunologic study.


The study examined salivary immunoglobulin A (IgA) concentrations during pregnancy and at parturition. A significant drop in salivary IgA (p less than 0.001) occurred at parturition. State anxiety appeared to account for some of the variance in IgA concentration during pregnancy and at childbirth. Mothers who had very low or undetectable IgA concentrations… (More)


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