The natural history of group B streptococcal colonization in the pregnant woman and her offspring

Autor: Baker, Carol J., Webb, Bette J., Kasper, Dennis L., Yow, Martha D., Beachler, Craig W.
Zdroj: American Journal of Obstetrics and Gynecology; May 1980, Vol. 137 Issue: 1 p39-42, 4p
Abstrakt: An investigation of the prevalence and persistence of the concentration of antibody to capsular polysaccharide from type III, group B Streptococcusin sera from 93 pregnant women and their newborn infants is reported. In the majority of women, the concentrations of antibody detected in the sera were low (<1 μg/ml). However, sera from women who were colonized with type III strains of group B streptococci contained significantly higher concentrations of antibody than those from noncolonized women (p = 0.027). No appreciable change in antibody concentration was found in sera collected early in gestation when compared to delivery sera. When maternal-cord serum pairs were analyzed, a significant correlation between concentrations of antibody was found, which indicates that this antibody is transplacentally transferred.
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