[Prevalence of cervical infection by Chlamydia trachomatis among Chilean women living in the Metropolitan Region].

Background: Chlamydia trachomatis is the most common bacterial sexually transmitted infection (STI) worldwide. In women, chlamydia infections are 75% asymptomatic and can lead to pelvic inflammatory disease, infertility, and ectopic pregnancy. Infants exposed to the microorganism at birth also have a high risk to develop conjunctivitis and pneumonia.