Overview
Group B streptococcus (GBS) is a type of bacterial infection that can affect pregnant women, newborns, and adults with chronic health conditions.
Symptoms
Often asymptomatic in adults In newborns: fever, difficulty feeding, lethargy, or respiratory distress In adults with chronic illness: urinary tract infections, bloodstream infections
Causes
Colonization by Group B Streptococcus bacteria Transmission from mother to baby during childbirth
Diagnosis
Swab test in late pregnancy (vaginal/rectal) Blood or urine culture in adults with symptoms
Treatment
Antibiotics during labor for pregnant women carrying GBS Antibiotics for infected newborns and adults
Complications
Serious infections in newborns, including sepsis and meningitis UTIs and bloodstream infections in adults with chronic conditions
Prevention
Routine screening for pregnant women at 35–37 weeks Prompt antibiotic treatment during labor if positive