causes for chlamydia
Chlamydia-Cause. Chlamydia infection is caused by the bacterium Chlamydia trachomatis. It is spread through vaginal, anal, or oral sex with an infected partner. A pregnant woman may spread the infection to her newborn during delivery.You can spread chlamydia even if you do not have symptoms of infection.hlamydia infection is caused by the bacterium Chlamydia trachomatis. It is spread through vaginal, anal, or oral sex with an infected partner.