Cervicitis Infection Onset
Sexually transmitted bacteria first infect the cervix.
- 2: Common pathogens (gonorrhea, chlamydia)
- 1–3 wk: Symptom onset (after exposure)
- ~70%: Asymptomatic cases (silent infections)
- Local: Cervical inflammation (contained stage)
Pathogen colonization
Placeholder: bacteria attach to cervical epithelium and begin local infection.
Early immune response
Placeholder: local immune cells respond, causing mild inflammation and discharge.
Risk of progression
Placeholder: untreated cervicitis can ascend further into the reproductive tract.
Placeholder: early antibiotic treatment at this stage prevents ascending spread.
Ascending Infection to Uterus
Pathogens travel upward through the cervical canal into the endometrium.
- Canalicular: Ascent pathway (direct mucosal spread)
- Days: Endometritis onset (after cervicitis)
- Facilitator: Menstruation role (retrograde flow)
- Moderate: Uterine involvement (rising severity)
Endometrial invasion
Placeholder: bacteria breach the cervical barrier and colonize the uterine lining.
Inflammatory cascade
Placeholder: cytokine release drives endometrial swelling and tenderness.
Clinical presentation
Placeholder: pelvic pain and abnormal bleeding often appear at this stage.
Placeholder: prompt diagnosis here limits further tubal spread.
Salpingitis — Fallopian Tube Inflammation
Infection reaches the fallopian tubes, threatening future fertility.
- Bilateral: Tubal involvement (typical pattern)
- Progressive: Ciliary damage (impairs transport)
- Rising: Adhesion risk (scar formation begins)
- Elevated: Diagnostic marker (inflammatory markers)
Tubal epithelial injury
Placeholder: bacteria damage ciliated cells lining the fallopian tubes.
Scar tissue formation
Placeholder: healing inflammation leaves adhesions that narrow the tubes.
Fertility consequences
Placeholder: tubal scarring raises risk of infertility and ectopic pregnancy.
Placeholder: this stage marks the critical window before abscess formation.
Tubo-Ovarian Abscess Formation
Pus accumulates at the tube-ovary junction, forming a walled-off abscess.
- ~15%: Abscess prevalence (of severe PID cases)
- Surgical: Rupture risk (emergency if ruptured)
- Complex mass: Imaging finding (on ultrasound)
- Often required: Hospitalization (for IV therapy)
Abscess pathophysiology
Placeholder: purulent material collects and is walled off by inflamed tissue.
Systemic illness
Placeholder: fever and severe pain often signal abscess formation.
Management urgency
Placeholder: this stage requires immediate aggressive antibiotic therapy.
Placeholder: rupture of a tubo-ovarian abscess is a surgical emergency.
Antibiotic Treatment Protocol
Broad-spectrum antibiotics gradually resolve inflammation over about two weeks.
- 14 days: Standard regimen (combination therapy)
- Broad-spectrum: Coverage (covers likely pathogens)
- 48–72 h: Response window (expected improvement)
- Recommended: Follow-up (confirm resolution)
Antibiotic mechanism
Placeholder: drugs target bacterial cell walls and protein synthesis.
Inflammation resolution
Placeholder: swelling and pain decrease steadily as bacteria are cleared.
Long-term outcomes
Placeholder: early treatment improves fertility and reduces complication risk.
Placeholder: completing the full antibiotic course prevents relapse and resistance.