Nurse's Nоtes Client is 28-yeаr-оld аnd is Grаvida 3. Presents tо the labor and delivery unit in the early phase of active labor with contractions occurring every 3 to 4 minutes. #18 gauge IV inserted in the left hand. Oxytocin infusion initiated. Internal examination: Left occipitoanterior (LOA) vertex, 4 cm dilated, complete rupture of membranes (ROM), 40% effaced at 0 station. External fetal monitor applied. Fetal heart rate (FHR) is 140-144/min with decelerations noted. FHR decreases to 100/min, beginning with the peak of contractions and returning to baseline approximately 20-30 seconds following the end of contractions. Vital Signs Temperature: 37.1° C (98.7° F) Heart rate: 98/min Respiratory rate: 22/min Blood pressure: 120/90 mm Hg Oxygen saturation: 96% Which condition is this client most likely experiencing?