# Risk Factors for Ectopic Pregnancy: Comparison of Fresh and Warmed Transfers. Analysis of a 10 Years, a Single Center Experience.

> **NCT04325854** · — · COMPLETED · sponsor: **Istituto Clinico Humanitas** · enrollment: 27377 (actual)

## Conditions studied

- Ectopic Pregnancy; Assisted Reproductive Technology

## Interventions

- **PROCEDURE:** I and II level ART procedure

## Key facts

- **NCT ID:** NCT04325854
- **Lead sponsor:** Istituto Clinico Humanitas
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2009-01-01
- **Primary completion:** 2018-12-31
- **Final completion:** 2018-12-31
- **Target enrollment:** 27377 (ACTUAL)
- **Last updated:** 2020-03-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04325854

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04325854, "Risk Factors for Ectopic Pregnancy: Comparison of Fresh and Warmed Transfers. Analysis of a 10 Years, a Single Center Experience.". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT04325854. Licensed CC0.

---

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