Skip to contentSkip to navigation
Canada Post labour disruption: Committed to your health, our team works with various carriers to ensure prompt delivery.

Strepto-B Vag-Anal (pregnancy)

Screening for group B streptococcus in the rectum and vagina is indicated for pregnancy monitoring. Group B strep (GBS) is a bacterium found frequently in the intestines, and more than one third of pregnant women are asymptomatic (colonized) carriers. There is therefore a risk of transmitting it to the child at the time of delivery. Infecting the newborn with group B strep (GBS) can lead to many complications, including pneumonia, neonatal meningitis or a generalized blood infection (sepsis). All pregnant women should undergo GBS screening between the 35th and 37th week of pregnancy, or earlier if there is a risk of premature labour.

A positive result indicates that the bacteria is currently present in the patient’s vagina and rectum with a risk of transmission to the newborn. She should receive intravenous antibiotic treatment at the time of delivery or when the membranes rupture (her water breaks). A negative result indicates that the pregnant woman is probably not a carrier of the bacteria and, unless there are specific risk factors, she should not receive antibiotic therapy during delivery.

Term of the Week

Predictive medicine

Medicine that links medical knowledge with data to predict a patient’s potential health problems. Examples include artificial intelligence and genetics.