Often, people don’t realize they have an STD because many don’t have immediate symptoms. However, if you leave them untreated, they can develop into serious health problems. The Center for Disease Control (CDC) indicates sexually transmitted diseases (STDs) have risen. The most affected age group is 15 to 24-year-olds. The CDC recommends you get tested even if you’re currently in a monogamous relationship. Any time you have a new partner, it’s important that you both get tested. Early detection is important for your reproductive health and safety.