A nurse is reinforcing teaching about preterm labor with a client who is at 28 weeks of gestation. Which of the following statements by the client indicates an understanding of the teaching?

"I have contractions more often than every 10 minutes, might be in preterm labor.”

"I can take a daily iron supplement to prevent preterm labor.”

"I should expect to feel pain in my upper right abdomen if I'm having preterm labor.”

"I might be experiencing preterm labor if walking stops my contractions."