What is chlamydia? The ‘silent STI’ that can cause infertility if untreated
- Posted on October 3, 2025
- By South China Morning Post
- 4 Views

What is chlamydia? The ‘silent STI’ that can cause infertility if untreated

Chlamydia, a sexually transmitted infection, is the most common STI in Hong Kong and can persist undetected for months or years.