A Patient Is Interested in a Pain Relief Option That

A patient is interested in a pain relief option that she can control during labor. The nurse explains to the patient what pain relief options are available that would meet her needs, and they mutually decide on nitrous oxide. Which of the following does the nurse describe to the patient about the use of nitrous oxide in labor? Select all that apply.

A) "If started, it should be used throughout the entire labor."
B) "It has no trade name and is only available in generic forms."
C) "The nurses will administer it to you during every contraction so we will need to be with you during the entire labor."
D) "The gas takes effect in about 50 seconds after the first breath, and the patient will feel calm."
E) "There is no effect on the labor progress from active labor to delivery, and therefore you do not need to worry about longer labors with the medication."