The nurse is caring for a client who is being discharged with a prescription for tetracycline. Which of the following statements, if made by the client. demonstrates an understanding of the discharge instructions?

"I will need to postpone my vacation at the beach until I finish this medication."

"I will stop taking this medication as soon as I feel better."

"It is fine for me to become pregnant while taking this medication."

"I am so glad to be leaving today because I have an appointment at the tanning salon."

Tetracycline is contraindicated during pregnancy due to the risk of harm to the developing fetus, including potential tooth discoloration and inhibited bone growth.