A nurse is reinforcing teaching with a client who has a new prescription for a cervical cap as a form of contraception. Which of the following statements by the client indicates an understanding of the teaching?

"I should avoid using spermicide with the cervical cap."

"I should use the cap during my menstrual cycle to prevent pregnancy."

"I need to have my provider check the size of the cap every 6 months."

"I need to keep the cap in place for at least 6 hours after intercourse."