# Progesterone Levels and Endometrial Compaction in Frozen-Thawed Embryo Transfer Cycles

> **NCT04554654** · — · UNKNOWN · sponsor: **Cem Demirel** · enrollment: 200 (estimated)

## Conditions studied

- Infertility, Female
- Infertility of Uterine Origin
- Implantation; Placenta

## Interventions

- **DIAGNOSTIC_TEST:** transvaginal ultrasound,

## Key facts

- **NCT ID:** NCT04554654
- **Lead sponsor:** Cem Demirel
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-06-15
- **Primary completion:** 2021-01-15
- **Final completion:** 2021-02-15
- **Target enrollment:** 200 (ESTIMATED)
- **Last updated:** 2021-01-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04554654

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04554654, "Progesterone Levels and Endometrial Compaction in Frozen-Thawed Embryo Transfer Cycles". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04554654. Licensed CC0.

---

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