The oncoming nurse receives the following report on these assigned postpartum clients. Two day post cesarean delivery client with symptoms of a unilateral area of swelling, warmth, and redness to the left leg. New admission client from labor and delivery who delivered 1 hour ago and has a saturated perineal pad. A 36 hour post vaginal delivery client with a temperature of 100.4 F degrees this morning. A 10 hours post vaginal delivery client who has not urinated after delivery. Which client will the nurse assess first after the Change-Of-Shift Report?