If the results show that GBS is present, most women will receive antibiotics through an intravenous IV line once labor has started. This is done to help protect the fetus from being infected. 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.
Group B strep can spread to a baby during a vaginal delivery if the baby is exposed to — or swallows — fluids containing group B strep. Adults age 65 and older are at increased risk of group B strep. You're also at increased risk of if you have a condition that impairs your immune system or other serious diseases, including the following:.
If you're an older adult or you have a chronic health condition, group B strep bacteria can lead to any of the following conditions:.
If you're pregnant, the American College of Obstetricians and Gynecologists recommends a group B strep screening during weeks 36 to 37 of pregnancy.
Your doctor will take swab samples from your vagina and rectum and send them to a lab for testing. A positive test indicates that you carry group B strep. It doesn't mean that you're ill or that your baby will be affected, but that you're at increased risk of passing the bacteria to your baby.
To prevent group B bacteria from spreading to your baby during labor or delivery, your doctor can give you an IV antibiotic — usually penicillin or a related drug — when labor begins. If you're allergic to penicillin or related drugs, you might receive clindamycin or vancomycin as an alternative. Because the effectiveness of these alternatives is not well understood, your baby will be monitored for up to 48 hours. Taking oral antibiotics ahead of time won't help because the bacteria can return before labor begins.
Although it's not available yet, researchers are working on a group B strep vaccine that could help prevent group B strep infections in the future. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
This content does not have an English version. This content does not have an Arabic version. Overview Group B strep streptococcus is a common bacterium often carried in the intestines or lower genital tract. Request an Appointment at Mayo Clinic. Home Common health questions Pregnancy Back to Pregnancy. What are the risks of group B streptococcus GBS infection during pregnancy? Most pregnant women who carry group B streptococcus GBS bacteria have healthy babies. But there's a small risk that GBS can pass to the baby during childbirth.
What is GBS? Most are unaffected, but a small number can become infected. Most babies who become infected develop symptoms within 12 hours of birth. Symptoms include: being floppy and unresponsive not feeding well grunting a high or low temperature fast or slow heart rates fast or slow breathing rates irritability What complications can GBS infection cause?
Most babies who become infected can be treated successfully and will make a full recovery.
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