# The Circadian Variability of Serum Progesterone During the Day of a Frozen Embryo Transfer

> **NCT05511272** · NA · COMPLETED · sponsor: **Universitair Ziekenhuis Brussel** · enrollment: 44 (actual)

## Conditions studied

- Fertility Disorders

## Interventions

- **BIOLOGICAL:** blood test

## Key facts

- **NCT ID:** NCT05511272
- **Lead sponsor:** Universitair Ziekenhuis Brussel
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2022-08-15
- **Primary completion:** 2023-12-01
- **Final completion:** 2023-12-01
- **Target enrollment:** 44 (ACTUAL)
- **Last updated:** 2023-12-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05511272

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05511272, "The Circadian Variability of Serum Progesterone During the Day of a Frozen Embryo Transfer". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT05511272. Licensed CC0.

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