A nurse is reinforcing teaching about diaphragms with a client. Which of the following statements by the client indicates an understanding of the teaching?

"I will leave the diaphragm in for at least 6 hours after vaginal intercourse."

"I will avoid using creams or jellies so that the diaphragm will fit snugly."

"I will coat the diaphragm with an oil-based lubricant in between uses."

"I will need to get a new diaphragm every year."