# Optimal Length of Progesterone Supplementation Before the Transfer of Cryopreserved (Frozen)-Thawed Day 3 Embryos in an Artificial Cycle With Exogenous Estrogen and Progesterone

> **NCT01940653** · PHASE4 · COMPLETED · sponsor: **Universitair Ziekenhuis Brussel** · enrollment: 300 (actual)

## Conditions studied

- Progesterone Supplementation

## Interventions

- **DRUG:** Progesterone

## Key facts

- **NCT ID:** NCT01940653
- **Lead sponsor:** Universitair Ziekenhuis Brussel
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2012-11
- **Primary completion:** 2017-12
- **Final completion:** 2017-12
- **Target enrollment:** 300 (ACTUAL)
- **Last updated:** 2019-09-27


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01940653

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01940653, "Optimal Length of Progesterone Supplementation Before the Transfer of Cryopreserved (Frozen)-Thawed Day 3 Embryos in an Artificial Cycle With Exogenous Estrogen and Progesterone". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT01940653. Licensed CC0.

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