II. Epidemiology
- Presents in teenage girls at Menarche
III. Pathophysiology
- An Imperforate Hymen traps menstrual blood
- Pain results from blood collection or retrograde menstrual flow into the Pelvis
IV. Symptoms
- No Menses
- Vague Abdominal Pain
- May be chronic or recurrent
V. Signs
- Hematocolpos
- Introitus with blue, bulging membrane
- Represents blood trapped behind Imperforate Hymen
VI. Management
- Operating room hymenectomy
- Performed by gynecology or pediatric surgery
- Avoid incising Hematocolpos in the emergency department
VII. References
- Claudius and Willner in Herbert (2019) EM:Rap 19(1): 2-4