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Some women carry group B streptococcus bacteria in the vagina. And for some of them, it does not cause problems. (This type of strep is not the same as the
type that causes strep throat.) But a woman who has
group B strep in her vagina can pass it to her baby
during vaginal birth. The baby can then get an infection of the tissues
that cover the brain (meningitis) or an infection of the
Some babies who get severe infections caused by group B strep have brain damage, hearing loss, or blindness. Brain damage can result in
Late in your third trimester, your doctor is likely to
check you for group B strep. If you test positive, you will get antibiotics during labor. You will also get them if you have certain risk factors for group B strep or if you
aren't tested. Antibiotics make you less likely to pass group B strep to your baby.
You won't need antibiotics if you're having a planned
C-section that takes place before labor has started and before your water breaks.footnote 1
American College of Obstetricians and Gynecologists (2011). Prevention of early onset group B streptococcal disease in newborns. ACOG Committee Opinion No. 485. Obstetrics and Gynecology, 117(4): 1019–1027.
ByHealthwise StaffPrimary Medical ReviewerSarah Marshall, MD - Family MedicineKathleen Romito, MD - Family MedicineSpecialist Medical ReviewerKirtly Jones, MD - Obstetrics and Gynecology
Current as ofMarch 21, 2017
Current as of:
March 21, 2017
Sarah Marshall, MD - Family Medicine
& Kathleen Romito, MD - Family Medicine & Kirtly Jones, MD - Obstetrics and Gynecology
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