A nurse on an antepartum unit is receiving change-of-shift report for four clients. Which of the following clients should the nurse assess first?

C A client who is at 12 weeks of gestation and is experiencing nausea and vomiting A A client who is at 38 weeks of gestation and is experiencing painful urination D A client who is at 39 weeks of gestation and is experiencing cramping and spotting B A client who is at 34 weeks of gestation and is experiencing epigastric pain and headache