A 35-year-old pregnant female at 36 weeks gestation undergoes universal screening to prevent early-onset neonatal sepsis. What organism is screened for via rectovaginal culture between 36 0/7 and 37 6/7 weeks?
Answer and explanation
Correct answer: B. Group B Streptococcus (Streptococcus agalactiae)
- Step 1: Group B Streptococcus (GBS) is a major cause of neonatal sepsis, pneumonia, and meningitis through vertical transmission during labor.
- Step 2: Universal culture-based screening of the distal vagina and rectum is performed at 36-37 weeks gestation.
- Step 3: Colonized women receive intrapartum intravenous penicillin prophylaxis starting at the onset of labor or membrane rupture.
Answer
Group B Streptococcus (Streptococcus agalactiae).
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