# The Impact of Assisted Hatching on Pregnancy Outcomes After Vitrified-Warmed Embryo Transfer in Advanced-age Patients

> **NCT07490561** · NA · NOT_YET_RECRUITING · sponsor: **Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University** · enrollment: 916 (estimated)

## Conditions studied

- Assisted Hatching
- Advanced Age

## Interventions

- **PROCEDURE:** Laser assisted hatching

## Key facts

- **NCT ID:** NCT07490561
- **Lead sponsor:** Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2026-03-16
- **Primary completion:** 2027-09-30
- **Final completion:** 2027-12-31
- **Target enrollment:** 916 (ESTIMATED)
- **Last updated:** 2026-03-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07490561

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07490561, "The Impact of Assisted Hatching on Pregnancy Outcomes After Vitrified-Warmed Embryo Transfer in Advanced-age Patients". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT07490561. Licensed CC0.

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