Detection of the bacteria, Chlamydia trachomatis, which is transmitted through sexual contact.

Chlamydia trachomatis is the most common sexually transmitted bacterial infection. Up to 70% of women and 30% of men may be asymptomatic. Infection may lead to tubal pregnancy, pelvic inflammatory disease, and infertility. Chlamydia trachomatis can also infect the rectum, either with no signs or symptoms or with rectal pain, discharge or bleeding. it is also common to have chlamydia eye infections (conjunctivitis) through contact with infected body fluids.