Chlamydia is a common STD that affects both males and females and generally shows no symptoms. If left untreated, it can result in serious health complications and can easily be spread to partners, so it’s important to take action for peace of mind. Gonorrhea can cause diseases in the genitals, rectum and throat. It is especially common among young adults. Some men, and most women, experience no symptoms so early detection is essential. This test can detect genital gonorrhea.