Causes of Acute Pelvic Pain - Differential Diagnosis Algorithm

Non-Gynecologic:

• Genitourinary (Infection, Stone)

• Gastrointestinal (Appendicitis, Gastroenteritis, Diverticulitis, IBD)

• Musculoskeletal

Pelvic Extrauterine:

 • Ectopic pregnancy*

Pelvic Intrauterine:

 • Placental abruption**

 • Spontaneous abortion

 • Labour

 • Molar pregnancy

Uterus:

 • Fibroid

 • Endometriosis

 • Adenomyosis

 • Pyometrium

 • Hematometra

 • Congenital Anomaly

 • Dysmenorrhea

Ovary:

 • Tubo-ovarian abscess**

 • Torsion* *

 • Ovarian cyst

 • Endometriosis

 • Ovulation pain

Fallopian Tube:

 • Tubo-ovarian abscess* *

 • Pelvic inflammatory disease

 • Torsion

 • Endometriosis

 • Hydrosalpinx



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