# Vitrification Versus Slow Cooling of Human Cleavage Stage Embryos

> **NCT00886431** · NA · TERMINATED · sponsor: **UMC Utrecht** · enrollment: 146 (actual)

## Conditions studied

- Infertility

## Interventions

- **OTHER:** embryo vitrification

## Key facts

- **NCT ID:** NCT00886431
- **Lead sponsor:** UMC Utrecht
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2009-05
- **Primary completion:** 2012-05
- **Final completion:** —
- **Target enrollment:** 146 (ACTUAL)
- **Last updated:** 2014-12-02

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00886431

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00886431, "Vitrification Versus Slow Cooling of Human Cleavage Stage Embryos". Retrieved via AI Analytics 2026-08-22 from https://api.ai-analytics.org/clinical/NCT00886431. Licensed CC0.

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