Maternal septicemia with Listeria monocytogenes in second trimester without infection of the fetus.

Two cases of septicemia with Listeria monocytogenes in two pregnant women at the 20th and 23rd weeks of pregnancy, respectively, are presented. The women had delays of 8 and 10 days from onset of symptoms to diagnosis and adequate treatment. Outcome was favorable; both women delivered healthy infants at term.