The nurse is caring for four newborns who have recently been admitted to the newborn nursery. Which labor event puts the newborn at risk for an alteration of health?
a) The infant's mother has group B streptococcal (GBS) disease.
b) The infant's mother had an IV of lactated Ringer's solution.
c) The infant's mother had a labor that lasted 12 hours.
d) The infant's mother had a cesarean birth with her last child.