Which Technique Does a Nurse Use to Assess Hip Location

Which technique does a nurse use to assess hip location of a newborn?

A) With newborn's knees flexed, the nurse adducts the legs, then abducts them, moving the knees apart and down to touch the table.
B) With the newborn supine, the nurse flexes and extends the hips, and then passively moves each leg through internal and external rotation.
C) The nurse holds the newborn in a vertical position with the feet flat on the table and palpates each hip for location.
D) With the newborn supine, the nurse measures the length of each leg from the trochanter to the lateral malleolus (ankle) .