Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Menstruation, retrograde

Medically reviewed by Min Clinic Staff | Updated: January 2026

Menstruation, retrograde: The flow of menstrual blood from the uterus into the Fallopian tubes, and potentially into the abdomen. This condition may lead to endometriosis.