Selfcheck female chlamydia test is a simple and reliable two step test for the detection of chlamydia. Fast and reliable result within minutes. Chlamydia is a sexually transmitted infection caused by a tiny bacterium called chlamydia trachomatis and often presents no symptoms. Chlamydia is easily treatable. However, when left untreated it can lead to complications such as inflammation of the fallopian tubes, inflammation of the womb, pelvic inflammation disease and infertility. Chlamydia is most common and most likely to cause serious complications in younger women. If you are under 25 and sexually active, you have a 1in 10 chance of having chlamydia, so it may b worth getting yourself checked. Your risk is even higher if you are under 20 and have had unprotected sex or have had 2 partners or more within a year.