"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.