You should get a genital and pelvic exam

• each year once you are participating in sex acts that involve genital contact -- especially if you are having vaginal, anal or oral sex
• if you notice any changes in your genitals or anus that you cannot explain
• if you suspect an infection
• when you are starting or have just ended a relationship that involved sexual activity

You can also visit a clinic just to talk about puberty, loosing your virginity, contraception, and more.