A client who is 38 weeks pregnant is concerned her baby might get a communicable disease before any immunizations are given. Which physiological mechanism should the nurse use when responding to the mother's concerns?

C Immunity in the first months of life provides protection. A Infants can receive antibodies through breast milk that help fight infections. B The infant's immune system may be immature in protecting against infections. D Active immunity in newborns is fully developed in the first month of life.