 [ Symptoms ] i took 2 pregnancy test 2 days ago both pos and 5 yesterday first 2pos 3neg 1 this morning neg whats going on  i am on the nuvaring i got on it may of last year and i changed it out on the 29th and i took the first test on the 7th of the new month [ Disease ] chlamydia is a sexually transmitted infection caused by the bacterium chlamydia trachomatis the infection spreads through vaginal anal or oral sex and not by touching or sharing surfaces like toilet seats or baths very rarely if body secretions of infected person come in immediate and direct contact with mucous membrane of other persons chlamydia may get transmitted chlamydia can be effectively treated with antibiotics