Question

A 36-year-old G2P1 woman at 35 weeks gestation with a singleton pregnancy asks about group B Streptococcus screening. She is otherwise healthy and had no GBS colonisation in her previous pregnancy. According to Canadian guidelines, what is the recommended approach?

Accepted Answer

Universal vaginal-rectal culture screening at 35-37 weeks gestation.

Answer

No screening is necessary; treat only if intrapartum fever develops.

Answer

Screen only women with a history of previous infant with early-onset GBS disease.

Answer

Screen only women with preterm labour.

Answer

Rely solely on intrapartum risk-factor based prophylaxis without cultures.

Practice question

A 36-year-old G2P1 woman at 35 weeks gestation with a singleton pregnancy asks about group B Streptococcus screening. She is otherwise healthy and had no GBS colonisation in her previous pregnancy. According to Canadian guidelines, what is the recommended approach?