Gestational Antibodies to C. pneumoniae, H. pylori and CMV in Women with Preeclampsia and in Matched Controls.

Past infection with H. pylori, and C. pneumoniae in early pregnancy showed a higher risk of preeclampsia, but the findings failed to achieve statistical significance. Cytomegalovirus was not associated with preeclampsia in these data. These preliminary findings encourage future research in populations with high prevalence of these infections.