Sexually transmitted infection caused by the bacterium Chlamydia trachomatis

Aetiology

• Chlamydia trachomatis is transmitted via unprotected vaginal, anal or oral sex
• Highest incidence in 20-24 years

Pathophysiology

• Infects columnar epithelium at mucosal sites

Clinical presentation

Women

• 70-80% of women asymptomatic

Symptoms

• Dysuria
• Abnormal vaginal discharge
• Intermenstrual or postcoital bleeding
• Deep dyspareunia
• Lower abdominal pain

Signs

• Cervicitis +/- contact bleeding
• Mucopurulent endocervical discharge
• Pelvic tenderness
• Cervical excitation