# Effect of Low Molecular Weight Heparin in Freeze-thaw Embryo Transfer Cycles in Women With Recurrent Implantation Failure

> **NCT06991530** · — · COMPLETED · sponsor: **The Second Hospital of Shandong University** · enrollment: 392 (actual)

## Conditions studied

- Low Molecular Weight Heparin
- Recurrent Implantation Failure
- FET
- IVF

## Interventions

- **DRUG:** Low Molecular Weight Heparine

## Key facts

- **NCT ID:** NCT06991530
- **Lead sponsor:** The Second Hospital of Shandong University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2021-01-01
- **Primary completion:** 2024-11-30
- **Final completion:** 2025-03-01
- **Target enrollment:** 392 (ACTUAL)
- **Last updated:** 2025-08-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06991530

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06991530, "Effect of Low Molecular Weight Heparin in Freeze-thaw Embryo Transfer Cycles in Women With Recurrent Implantation Failure". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT06991530. Licensed CC0.

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