To identify the prevalence of first-trimester cervical group B Streptococcus (GBS) colonization in routine obstetric patients and whether a relationship exists between first-trimester cervical GBS colonization and maternal GBS bacteriuria or GBS colonization at term.
Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Burns and Allen Research Institute, Cedars-Sinai Medical Center, Los Angeles, California 90048, USA.