RESUMO
The study aimed to investigate the situation, clinical characteristics and the value of PCR in diagnosis of urogenital chlamydia infection. During 3 months (6/2003-9/2003) we had studied 416 patients with urogenital discharge attending at laboratory department of the National Institute of Dermatology of Vietnam (NIDV). They had been tested for the C.T by using PCR and /or Hexagon (EIA). Results: 94 patients were detected C.T infection, the rate is 22.6%. In which, number of the women is 3.66 times higher than the men. The highest frequency of C.T infection is group of age from 25 to 34, and patients who live in urban. The most common symptom is cervicitis (in female) and urethritis, pain or burning during urenation (in male). PCR was positive in some cases which were negative with Hexagon test.