The test is simple, inexpensive, and painless. Called a culture, it involves using a large cotton swab to collect samples from the vagina and rectum. These samples are tested in a lab to check for GBS. The results are usually available in 1 to 3 days. GBS infection in babies is diagnosed by testing a sample of blood or spinal fluid.
But not all babies born to GBS-positive mothers need testing. Most healthy babies are simply watched to see if they have signs of infection. Doctors will test a pregnant woman to see if she has GBS. If she does, she will get intravenous IV antibiotics during labor to kill the bacteria. Doctors usually use penicillin, but can give other medicines if a woman is allergic to it.
It's best for a woman to get antibiotics for at least 4 hours before delivery. This simple step greatly helps to prevent the spread of GBS to the baby. Giving antibiotics during labor helps to prevent early-onset GBS disease only. The cause of late-onset disease isn't known, so no method has yet been found to prevent it.
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What is group B strep? Group B strep test The group B strep test is a routine antenatal test. Who has the group B strep test?
Some hospital and doctors recommend that every pregnant woman has a group B strep test. Talk about the risks and benefits of the group B strep test with your midwife or doctor. After the birth If you had antibiotics during labour, your baby will be monitored for the first couple of days for signs of infection. When to seek help If you want more information about group B strep, or if you have any concerns about your baby, call Pregnancy, Birth and Baby on to speak to a maternal child health nurse , or talk to your midwife or doctor.
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The best time for treatment is during labor. Penicillin is the antibiotic that is most often given to prevent early-onset disease in newborns. While treatment with antibiotics during labor can help prevent early-onset GBS disease in a baby, this treatment does not prevent late-onset disease. If you are allergic to penicillin, tell your health care professional before you are tested for GBS.
You may have a skin test to determine the severity of your allergies. If needed, other antibiotics can be used.
In some cases, women are automatically given antibiotics during labor without testing for GBS. Antibiotics may be given without testing if:. Women who have a cesarean birth do not need to be given antibiotics for GBS during delivery if their labor has not started and the amniotic sac has not ruptured their water has not broken. But these women should still be tested for GBS because labor may happen before a cesarean birth.
If the test result is positive, the baby may need to be monitored for GBS disease after birth. The fetus develops in this sac. Fetus: The stage of human development beyond 8 completed weeks after fertilization. Group B Streptococcus GBS : A type of bacteria that many people carry normally and can be passed to the fetus at the time of delivery.
GBS can cause serious infection in some newborns. Antibiotics are given to women who carry the bacteria during labor to prevent newborn infection.
Intravenous IV Line: A tube inserted into a vein and used to deliver medication or fluids. Prenatal Care: A program of care for a pregnant woman before the birth of her baby. Sepsis: A condition in which infectious toxins usually from bacteria are in the blood.
It is a serious condition that can be life threatening. Symptoms include fever, rapid heart rate, breathing difficulty, and mental confusion. Vagina: A tube-like structure surrounded by muscles.
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