A nurse is reviewing laboratory results for a client who is at 37 weeks of gestation. The nurse notes that the client is rubella non-immune, is positive for group A beta-hemolytic streptococcus, and has a blood type of O negative. Which of the following actions should the nurse take?

A. Administer a dose of Rhogam
B. Request a prescription for an antibiotic until delivery
C. Instruct the client to obtain a rubella immunization after delivery
D. Inform the client that she will need to deliver via cesarean birth