Relationship between endometrial VFI values detected by three-dimensional power Doppler ultrasound and pregnancy outcomes in FET patients and prediction of the optimal VFI range—a retrospective cohort study - Scorecard - MDSpire

Relationship between endometrial VFI values detected by three-dimensional power Doppler ultrasound and pregnancy outcomes in FET patients and prediction of the optimal VFI range—a retrospective cohort study

  • By

  • Run Zhao

  • Linlin Che

  • Xiaofang Li

  • Qianyan Song

  • Lihong Zhou

  • Siyu Long

  • Yu Zhang

  • June 5, 2026

  • 0 min

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Clinical Scorecard: Association of Endometrial Vascular Flow Index Measured by 3D Power Doppler Ultrasound with Pregnancy Outcomes in Frozen Embryo Transfer Patients: A Retrospective Cohort Analysis and Optimal VFI Range Assessment

At a Glance

CategoryDetail
Condition
Key Mechanisms
Target PopulationPatients aged ≤ 40 years with no severe organic diseases undergoing FET-assisted pregnancy treatment.
Care Setting

Key Highlights

  • Higher endometrial VFI values correlate with lower abortion rates, with statistical significance.
  • VFI threshold of 0.17 indicates better pregnancy prognosis, supported by data.
  • Three-dimensional energy Doppler ultrasound effectively measures endometrial blood flow.

Guideline-Based Recommendations

Diagnosis

    Management

      Monitoring & Follow-up

      • Monitor endometrial VFI values in patients undergoing FET, with follow-up assessments every cycle.

      Risks

        Patient & Prescribing Data

        Patients with higher VFI values have improved pregnancy outcomes; treatment protocol included hormone replacement therapy.

        Clinical Best Practices

        • Conduct standardized three-dimensional energy Doppler ultrasound examinations at each FET cycle.
        • Evaluate endometrial receptivity based on VFI measurements, with assessments before each embryo transfer.

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