The vital signs of a pregnant trauma patient at 30 weeks include a blood pressure of 94/62 mm Hg and a heart rate of 108 beats/minute. Fetal heart tones are 124 beats/minute. The emergency nurse interprets the patient's hemodynamic findings as an indication of which of the following?
A. Decompensated shock
B. Normal vital signs in pregnancy
C. Compensated shock
D. Supine hypotension syndrome