The nurse is seeing a pregnant client in the outpatient setting. The client is excited about an upcoming vacation and relaxing in a hot tub. What would the nurse explain to the client about her plans?

a. "Hot tubs are a fine way to relax."
b. "Only stay in the hot tub for a short period of time."
c. "Try to find other ways to relax while you are there."
d. "There is a connection between this type of heat and neural tube defects."