Australia's most common STI


The sexually transmissible infection chlamydia affects both men and women's, if left untreated chlamydia can cause pelvic inflammatory in women, which can led to chronic pain and infertility.

What are the main causes and risk factors?

  • Chlamydia is most commonly spread by by vaginal or anal sex without a condom.
  • The chances of contracting this disease can be greatly increased by having sexual relations with many people and using no protection.
  • Men and Women under the age of 25 are proven to have a higher risk of being affected by chlamydia.
  • Women are at a higher risk of developing chlamydia.
  • Pregnant women can pass the disease's bacteria onto their babies when they are born.
  • Chlamydia can be contracted by having vaginal, anal or oral sex with someone who has chlamydia.
  • If someone has already had chlamydia and were treated they can still get infected again.


One of the most effective ways of avoiding chlamydia infection is by limiting the amount of new sexual partners you have.

The more people you have sexual intercourse with, the greater your chances of being exposed to the disease.

In addition, during each sexual encounter, you should use a condom.

You should get tested for chlamydia and other sexually transmitted diseases between each new partner