A nurse on a postpartum unit is receiving change-of-shift report for four clients. Which of the following clients should the nurse see first?

A client who gave birth 1 day ago and needs Rh(D) immune globulin

A client who gave birth 3 days ago and reports breast fullness

A client who gave birth 12 hr ago and reports an increase in urinary output

A client who gave birth 8 hr ago and is saturating a perineal pad every hour