They are infections caused by bacteria that live inside cells.
How do they manifest themselves?
Often without symptoms, after 1-3 weeks it can give infections to the genital tract.
In men and women: burning to urinate, secretions from the penis, abdominal pain, involvement of the uterus resulting in sterility (chronic infection). In pregnancy, possible miscarriage.
How are they transmitted?
With unprotected sex.
With a specific swab of genital secretions or on a urine sample.