Endometriosis vs Endometritis

Endometriosis vs Endometritis
Photo by Europeana / Unsplash

Endometriosis

Presence of endometrial glands & stroma outside the uterine cavity (e.g., ovaries, peritoneum, fallopian tubes) - ectopic endometrial tissue outside the uterus. This is likely due to retrograde menstruation, metaplasia, or lymphatic spread.

  • Reproductive-age women
  • Often nulliparous or infertile
EndometriOsis - O stands for outside

Symptoms:

  • Cyclic pelvic pain (worsens before/during menses)
  • Dysmenorrhea
  • Dyspareunia
  • Infertility
  • Pain with defecation or urination (if rectovaginal septum or bladder involved)

Diagnosis:

  • Definitive diagnosis: Laparoscopy with biopsy
    • Classic finding: "Chocolate cyst" (endometrioma)

Treatment:

  • NSAIDs, OCPs, GnRH agonists/antagonists (e.g., leuprolide)
  • Surgery if refractory or infertility is a concern

Endometritis

Infection/inflammation of the uterine endometrium. Typically caused by polymicrobial infection (often after delivery, abortion, instrumentation).

  • Postpartum (especially post-C-section)
  • Post-abortion
  • Following IUD insertion or uterine instrumentation
  • Risk factors: C-section, prolonged labor, retained products

Symptoms:

  • Fever
  • Uterine tenderness
  • Foul-smelling lochia
  • Tachycardia, sometimes leukocytosis

Diagnosis:

  • May confirm with labs (WBCs), but no imaging or biopsy needed

Treatment:

  • Broad-spectrum IV antibiotics
    • Example: Clindamycin + gentamicin
  • Remove retained products if suspected