Group B Strep

October 7, 2011



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Group B strep screening is a test where a swab is taken from the rectum and the vagina and cultured in a laboratory.

The Centers for Disease Control, the American College of Obstetricians and Gynecologists, and the American Academy of Pediatrics all recommend Group B strep screening for all pregnant women.

This test is performed between weeks 35 and 37.

Group B strep is an infection that is found in the genitals, rectum, and urinary tract of between 10 and 35 percent of all pregnant women, and is usually harmless to adults.

Generally, Group B strep causes no symptoms in adults, but can cause serious and life threatening infections in newborns.

If you test positive to Group B strep, you will be given IV antibiotics during labor in order to prevent transmitting the infection to your baby.




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