A nurse is caring for a female client who has recurrent kidney stones and is scheduled for an intravenous pyelogram. Which of the following statements by the client should the nurse report to the provider?

A. Menstruation does not contraindicate an intravenous pyelogram (IVP). B. This could indicate a urinary tract infection or hematuria, but it is not an absolute contraindication to the test. C. Adequate hydration is encouraged and does not interfere with the procedure. D. An IVP uses iodine-based contrast dye, and a history of shellfish allergy with hives suggests a possible allergy to iodine contrast, which should be reported immediately to the provider.