This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they exist. The article ends with the authors' clinical recommendations.
A 17-year-old high school student who has never been pregnant presents for advice regarding contraception. She has an unremarkable medical history and is planning to become sexually active with her boyfriend in the near future. Her primary concern is an unintended pregnancy, and she inquires about methods of contraception that are highly effective. How would you counsel her about options for contraception?