Pelvic Inflammatory Disease

Medically ReviewedOften Asymptomatic

Pelvic inflammatory disease (PID) is a serious infection of the female reproductive organs that can cause infertility if untreated. It is most often caused by untreated chlamydia or gonorrhoea. Early diagnosis with swabs and blood tests, followed by prompt antibiotic treatment, prevents long-term complications.

Pelvic Inflammatory Disease: Key Facts

Often Asymptomatic
Incubation Period
Days to weeks after initial STI infection
Test Window
Tested when symptoms present; STI screening recommended
Results
24–48 hours
Treatment
Course of antibiotics (often 14 days)
Cure Rate
95%+ if treated early
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Symptoms of Pelvic Inflammatory Disease

Common Symptoms

  • Lower abdominal pain
  • Abnormal vaginal discharge
  • Pain during sex
  • Irregular bleeding

Symptoms in Women

  • Lower abdominal or pelvic pain
  • Pain during sex (deep dyspareunia)
  • Unusual vaginal discharge
  • Bleeding between periods or after sex
  • Heavy or painful periods
  • Fever and feeling generally unwell

How is Pelvic Inflammatory Disease Transmitted?

  • Caused by bacteria spreading from the vagina/cervix to the upper reproductive tract
  • Usually follows untreated chlamydia or gonorrhoea
  • Can occur after childbirth, miscarriage, or insertion of an IUD

Prevention

  • Regular STI testing and prompt treatment
  • Use condoms consistently
  • Early treatment of chlamydia and gonorrhoea
  • Partner notification and treatment

Complications if Untreated

  • Infertility (affects approximately 1 in 10 women with PID)
  • Ectopic pregnancy
  • Chronic pelvic pain
  • Tubo-ovarian abscess

Frequently Asked Questions

Dr Mohammad Bakhtiar
Medically Reviewed

Dr Mohammad Bakhtiar

MD, PhD, LRCP, MSc, DHMSA

Sexual Health

GMC: 4694470Last reviewed: January 2026

All medical content is reviewed by qualified healthcare professionals registered with the General Medical Council (GMC).

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