Toxoplasma gondii infection is a protozoan infection to which most adults have antibody protection. When immunocompetent adults do become infected, they are usually asymptomatic or experience only mild constitutional symptoms and lymphadenopathy. Primary infection during pregnancy,…

Cytomegalovirus. Cytomegalovirus (CMV) is the most common congenital viral disease in the United States. From 0.2% to 2.2% of all infants acquire infection during the perinatal period. The consequences of this infection can be devastating…

Gonorrhea and Chlamydia. Infection with Neisseria gonorrhoeae and/or Chlamydia trachomatis may have a deleterious effect on both mother and fetus, including preterm delivery, premature rupture of membranes, chorioamnionitis, and postpartum infection. Because of these…