how many years can a women have chlamydia with out knowing.?

Answer 1

As with most of the STDs it can go undiagnosed for many years if you do not know the symptoms to watch for.

Up to 90% of women and men with chlamydia do not have symptoms. 2 As a result, they may unknowingly spread chlamydia to their sex partners. When symptoms do occur, they may include:

Painful urination.
Cloudy urine.
Abnormal discharge from the urethra in men.
Abnormal discharge from the urethra or the cervix (or both) in women.