Group B strep(GBS) is a form ofStreptococcusbacteria often present in the digestive or urinary tracts.
It’s usually harmless in adults, but it can be a dangerouseven deadlyinfection in a newborn.
This article explains the purpose and possible results of the group B strep test.
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GBS is the most common cause ofmeningitisin newborns.
It can also causepneumoniaorsepsis(an infection of the bloodstream).
The test identifies if a pregnant person has GBS so that they can be treated withantibioticsbefore delivery.
How Common Is Group B Strep?
About 25% of pregnant people have group B strep bacteria in their bodies.
Due to testing, only about 2,000 babies are born with or develop GBS in the United States annually.
What to Expect
You don’t need to do anything to prepare for this test.
They are simple tests to obtain samples that are sent to a lab for analysis.
The results are sent back to your provider’s office who will communicate them with you.
There are different types of group B strep tests for pregnant people and babies.
It is a quick and simple test.
If you test positive, you’ll be given antibiotics as soon as you go into labor.
GBS infections are not usually dangerous in adults, but they can be serious or life-threatening in infants.
The test is a simple procedure that can prevent serious illness in your newborn.
If you have any concerns about the test, discuss them with your healthcare provider.
This will reduce the risk to the baby significantly.
If the baby shows symptoms of meningitis or other serious infection, they will be treated for the condition.
Most babies recover, but when present, GBS can be fatal in about 1 in 16 infants.
If you notice symptoms in your baby, get medical help immediately.
Centers for Disease Control and Prevention.Preventing group B strep disease in newborns.
2023;16:11786361231174419. doi:10.1177/11786361231174419
Group B Strep Support.Different types of group B strep tests.
American College of Obstetricians and Gynecologists.Group B strep and pregnancy.
Group B Strep Support.After your baby’s GBS infection.
