The patient is pregnant and asks the nurse about changing from her prescription antidepressant medication to St. John's wort because it is natural. What is the best response by the nurse?
1. "It should be okay because your baby has been exposed to an antidepressant."
2. "St. John's wort is a drug, and this should be discussed with your doctor."
3. "No, herbal preparations are just not safe to take during pregnancy."
4. "Yes, you can change, but let your doctor know at your next appointment."
Correct Answer: 2
Rationale: All herbal preparations are drugs and their use should be discussed with the physician when a patient is pregnant. St. John's wort is not okay because the baby has not been exposed to it specifically. It is not safe to tell a pregnant woman she can change antidepressants. Some herbal preparations may be safe during pregnancy, but this should be discussed between the patient and physician.
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