The healthcare provider is teaching a youth group about how to avoid acquiring a sexually transmitted disease (STD) if they are sexually active. Which of the following is the best method of prevention?

Although not 100% effective, routine condom use is the best way to prevent acquiring a sexually transmitted disease (STD). The HPV vaccination is effective in preventing some strains of the human papillomavirus. Douching disrupts the natural pH and balance of bacteria, and does not prevent STDs. Spermicidal creams may help protect against pregnancy, but not STDs.