# Preparing and Timing of the Endometrium in Modified Natural Cycle Frozen-thawed Embryo Transfers

> **NCT03795220** · PHASE4 · COMPLETED · sponsor: **Anja Bisgaard Pinborg** · enrollment: 679 (actual)

## Conditions studied

- Infertility

## Interventions

- **DRUG:** Lutinus + transfer day 6
- **DRUG:** Lutinus + transfer day 7
- **DRUG:** No Lutinus + transfer day 6
- **DRUG:** No Lutinus + transfer day 7

## Key facts

- **NCT ID:** NCT03795220
- **Lead sponsor:** Anja Bisgaard Pinborg
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-01-06
- **Primary completion:** 2024-12-31
- **Final completion:** 2024-12-31
- **Target enrollment:** 679 (ACTUAL)
- **Last updated:** 2025-05-15

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03795220

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03795220, "Preparing and Timing of the Endometrium in Modified Natural Cycle Frozen-thawed Embryo Transfers". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT03795220. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
