# The Transition From Blastomere to Trophectoderm Biopsy: Comparing Two PGS Strategies

> **NCT03062969** · — · COMPLETED · sponsor: **Fundacion Dexeus** · enrollment: 383 (actual)

## Conditions studied

- Infertility
- Preimplantation Genetic Screening

## Interventions

- **PROCEDURE:** Cleavage stage biopsy group
- **PROCEDURE:** Trophectoderm biopsy group

## Key facts

- **NCT ID:** NCT03062969
- **Lead sponsor:** Fundacion Dexeus
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2014-01-01
- **Primary completion:** 2016-02-28
- **Final completion:** 2017-01
- **Target enrollment:** 383 (ACTUAL)
- **Last updated:** 2017-02-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03062969

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03062969, "The Transition From Blastomere to Trophectoderm Biopsy: Comparing Two PGS Strategies". Retrieved via AI Analytics 2026-06-05 from https://api.ai-analytics.org/clinical/NCT03062969. Licensed CC0.

---

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