group b strep

Question 1

Group B Streptococcus (GBS) infection is due to the bacterium streptococcus agalactiae.

Epidemiology
Most commonly GBS is carried as an asymptomatic commensal bacterium in the gastrointestinal and genitourinary tracts. It is estimated that approximately 25% of pregnant women are carriers.

In some cases, GBS can cause severe illness in the mother and infant due to transmission during delivery.

Clinical features
Clinical features are those of bacterial infection in the newborn for example sepsis, pneumonia and meningitis.

RF ?

Answer 1

Positive GBS culture in current or previous pregnancy
Previous birth resulting in neonatal GBS infection
Pre-term labour
Prolonged rupture of membranes
Intrapartum fever >38 degrees Celsius
Chorioamnionitis

Question 2

Mx of group b

Answer 2

IV benzylpenicclin or vancomycin f alleric during labour

Intrapartum antibiotic prophylaxis is the most effective method of preventing GBS infection in the newborn.

Antibiotics (commonly a penicillin) are given intravenously during labour and delivery if risk factors for GBS infection are present.

Question 3

are NSAID avoided in preg

Answer 3

yes