# A Study:the Different Outcomes Between Natural Cycle and Hormone Replacement Cycle in FET

> **NCT01780558** · NA · UNKNOWN · sponsor: **Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University** · enrollment: 600 (estimated)

## Conditions studied

- Infertility

## Interventions

- **OTHER:** natural cycles
- **DRUG:** estradiol and progesterone

## Key facts

- **NCT ID:** NCT01780558
- **Lead sponsor:** Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2010-01
- **Primary completion:** 2015-01
- **Final completion:** 2015-01
- **Target enrollment:** 600 (ESTIMATED)
- **Last updated:** 2013-04-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01780558

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01780558, "A Study:the Different Outcomes Between Natural Cycle and Hormone Replacement Cycle in FET". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT01780558. Licensed CC0.

---

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