A pelvic ultrasound is ordered for a pregnant woman. Which of the following should the nurse instruct this patient?
a. "Do not eat or drink anything after midnight the night before the test."
b. "Avoid iodine-containing foods for 3 days before the test."
c. "Give yourself an enema the night before the test."
d. "Drink 3 to 4 glasses of water and do not urinate before the procedure."
D
An ultrasound is commonly done during pregnancy to evaluate the size of the fetus and placenta. A full bladder is needed to ensure visualization. The nurse should instruct the patient to drink 3 to 4 glasses of water 1 hour before the exam and to hold off voiding until after the test is completed.
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