Menstrual Fluid May Aid in Endometriosis Detection - Scorecard - MDSpire

Menstrual Fluid May Aid in Endometriosis Detection

Single-nucleus sequencing of menstrual fluid identified epithelial gene signatures and prioritized five candidate biomarkers that warrant validation in larger studies.

  • By

  • Andrea Surnit

  • July 13, 2026

  • 3 min

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Clinical Scorecard: Menstrual Fluid May Aid in Endometriosis Detection

At a Glance

CategoryDetail
ConditionEndometriosis
Key MechanismsChanges in endometrial epithelial signatures detectable in menstrual fluid RNA.
Target PopulationPatients with imaging- or surgery-confirmed endometriosis.
Care SettingClinical research setting.

Key Highlights

  • Identified 36 upregulated and 53 downregulated epithelial genes in endometriosis.
  • Epithelial cells showed the greatest disease-associated transcriptional differences.
  • Five candidate genes (TIMP2, AKR1C2, DMBT1, FERMT1, KCNK5) were differentially expressed.
  • KCNK5 demonstrated the strongest evidence as a potential biomarker.
  • Study acknowledged limitations including small sample size and variability in menstrual fluid composition.

Guideline-Based Recommendations

Diagnosis

  • Further assessment of identified biomarkers in larger cohorts is needed.

Management

  • No specific management recommendations provided; focus on biomarker validation.

Monitoring & Follow-up

  • Evaluate stability of biomarkers over time within each patient.

Risks

  • Limited statistical power due to small sample size; potential influence of anti-inflammatory drug use.

Patient & Prescribing Data

Participants included 10 individuals with deep infiltrating endometriosis, all nulliparous.

No treatment insights provided; study focused on biomarker discovery.

Clinical Best Practices

  • Consider menstrual fluid analysis for potential noninvasive endometriosis diagnosis.
  • Monitor for variability in cellular composition among patients.

Related Resources & Content

Original Source(s)

Menstrual Fluid May Aid in Endometriosis Detection

  • by Andrea Surnit

  • July 13, 2026

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