Group B streptococcus (GBS) is a bacterium commonly found in the vaginal flora and is usually of no consequence to women. However, vertical transmission of GBS to the baby during pregnancy and/or birth can lead to GBS-associated disease, a leading cause of neonatal morbidity and mortality in...
Screening is performed at 35–39 weeks of pregnancy using a vaginal/rectal swab that is incubated in selective media such as Lim broth overnight and then sub-cultured for any colonies of β streptococci. The CAMP test can be used to differentiate GBS from β streptococci due to the ...