# Comparison of Live Birth Rate in Natural Cycle Single Euploid FET Versus Without Luteal Phase Support

> **NCT05969795** · PHASE1 · RECRUITING · sponsor: **ART Fertility Clinics LLC** · enrollment: 342 (estimated)

## Conditions studied

- Pregnancy Related
- Infertility, Female

## Interventions

- **DIAGNOSTIC_TEST:** Transvaginal ultrasound
- **DIAGNOSTIC_TEST:** Serial serum LH, E2, P4
- **DRUG:** Progesterone 100 Mg Vaginal Insert
- **DIAGNOSTIC_TEST:** Serum P4 day of ET - Control Group
- **DIAGNOSTIC_TEST:** Serum P4 day of ET - Study Group
- **PROCEDURE:** Embryo transfer
- **DIAGNOSTIC_TEST:** Serum hCG 10 days after ET
- **DIAGNOSTIC_TEST:** Serum P4 10 days after ET

## Key facts

- **NCT ID:** NCT05969795
- **Lead sponsor:** ART Fertility Clinics LLC
- **Sponsor class:** OTHER
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2023-09-05
- **Primary completion:** 2026-04-30
- **Final completion:** 2026-09-30
- **Target enrollment:** 342 (ESTIMATED)
- **Last updated:** 2025-01-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05969795

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05969795, "Comparison of Live Birth Rate in Natural Cycle Single Euploid FET Versus Without Luteal Phase Support". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT05969795. Licensed CC0.

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