A Pavlik harness has been ordered for an infant with developmental hip dysplasia. The nurse provides education about the use of the harness to the parents of the child. Which statement by the mother indicates further teaching is warranted?
a. "The harness is placed against the skin to provide support."
b. "The harness straps should be secure enough to keep her hips flexed but not tight."
c. "I need to support her hips and buttocks when the harness is off."
d. "The diaper should go on under the harness."