# Optimal Embryonic Stage for Transfer in Poor Responders

> **NCT04485819** · — · UNKNOWN · sponsor: **Ganin Fertility Center** · enrollment: 300 (estimated)

## Conditions studied

- Poor Response to Ovulation Induction
- Infertility, Female

## Interventions

- **OTHER:** Cleavage stage transfer
- **OTHER:** Blast stage transfer

## Key facts

- **NCT ID:** NCT04485819
- **Lead sponsor:** Ganin Fertility Center
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2019-01-01
- **Primary completion:** 2021-12-01
- **Final completion:** 2022-03-01
- **Target enrollment:** 300 (ESTIMATED)
- **Last updated:** 2020-07-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04485819

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04485819, "Optimal Embryonic Stage for Transfer in Poor Responders". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04485819. Licensed CC0.

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