A nurse is reinforcing teaching with a client who is at 23 weeks of gestation and will return to the facility the following week for an amniocentesis. Which of the following instructions should the nurse include?

Empty her bladder immediately prior to the procedure.

Refrain from eating breakfast on the day of the procedure.

Give herself a hypertonic enema the day before the procedure.

Wash her abdomen with soap and water the morning of the procedure.