[Decreasing incidence of perinatal group B streptococcal disease (Barcelona 1994-2002). Relation with hospital prevention policies].

Introduction: To analyze the incidence of perinatal sepsis due to group B streptococcus (GBS) as related to compliance with recommendations for its prevention issued by the Catalan Societies for Obstetrics, for Pediatrics, and for Infectious Diseases and Clinical Microbiology in 1997.

Methods: The study was conducted from 1994 to 2001 in 10 Barcelona-area hospitals, where 157,848 live infants were born.

Results: GBS disease was diagnosed in 129 neonates.