Group B Strep Test: Procedure, What to Expect, Results - Verywell Health
Group B strep (GBS) is a form of streptococcus bacteria often present in the digestive or urinary tracts. It's usually harmless in adults, but it can be a dangerous—even deadly—infection in a newborn. If you're pregnant, your healthcare provider will recommend a group B strep test when you are in your 36th or 37th week. A simple test can determine if you have group B strep, which can be treated shortly before you deliver to help prevent infection in your baby. This article explains the purpose and possible results of the group B strep test. Adene Sanchez / E+ / Getty Images Purpose of a Group B Strep Test GBS is usually found in the vagina or rectum, where it can be transmitted to an infant during vaginal delivery. GBS is the most common cause of meningitis in newborns. It can also cause pneumonia or sepsis (an infection of the bloodstream). The test identifies if a pregnant person has GBS so that they can be treated wit...