A nurse is teaching a client who is at 20 weeks of gestation about how to manage heartburn. Which of the following instructions should the nurse include?

A. Diaphoresis: Diaphoresis, or excessive sweating, is a common side effect of clozapine and may not necessarily indicate a need for immediate intervention. However, it should be documented and monitored for any changes.
B. Fever: Fever can be a sign of infection, which is a serious concern in clients taking clozapine due to the risk of agranulocytosis, a potentially life-threatening side effect characterized by a severe decrease in white blood cell count. Any signs of infection, including fever, should be reported promptly to the provider for further evaluation and management.
C. Polyuria: Polyuria, or excessive urination, is not typically associated with clozapine use and may be indicative of other underlying issues such as diabetes mellitus or diabetes insipidus. While it should be assessed and managed appropriately, it is not specifically related to clozapine administration and may not require immediate reporting to the provider.
D. Diarrhea: Diarrhea is a common gastrointestinal side effect of clozapine and may occur due to its effects on the gastrointestinal system. While persistent or severe diarrhea should be monitored and managed, it is not typically considered a serious adverse reaction that requires immediate reporting to the provider unless it is accompanied by other concerning symptoms.

D. "During this test, I will push a button if my baby moves."

Rationale:
A. "This test will tell me if my baby has a genetic problem." - Nonstress testing (NST) is used to evaluate fetal well-being by assessing fetal heart rate accelerations in response to fetal movement. It does not diagnose genetic problems.
B. "I will get oxytocin during this test." - Oxytocin is not typically administered during nonstress testing. NST is a non-invasive procedure that involves placing a fetal heart rate monitor on the mother's abdomen to monitor the baby's heart rate.
C. "During this test, I must not eat or drink anything." - While it's generally recommended to have a snack or meal before the test to encourage fetal movement, fasting is not required for NST unless otherwise instructed by the healthcare provider.
D. "During this test, I will push a button if my baby moves." - This statement demonstrates an understanding of how NST works. The client is instructed to push a button whenever they feel fetal movement, allowing the healthcare provider to correlate fetal movement with changes in the fetal heart rate pattern.