determine the location of placenta.
(5, 21) Wanda, G2 P1, is at 31 weeks' gestation arrives at emergency room and reports that she "woke up in a pool of blood." She denies cramping or abdominal pain. Nursing assessment findings include a moderate amount of bright red vaginal bleeding; fundal height, vital signs, and fetal heart rate within normal limits, and no contractions noted. Based on these, the nurse should anticipate that Wanda will have an ultrasound to