Clinical Trial

A Multicenter Prospective Randomized Controlled Clinical Trial Comparing Constant (5%) Versus Sequential (5%-2%) Oxygen Concentration Embryo Culture Protocols in Assisted Reproductive Technology

Recruiting
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Summary
To evaluate whether there were significant differences in the effects of constant (5%) versus sequential (5%-2%) oxygen concentration protocols in embryo culture on term live birth rates. This study will be conducted in five centers including the Clinical Center of Reproductive Medicine, First Affiliated Hospital of Nanjing Medical Universit. 980 women who wish to undergo blastocyst transplantation will be included in the study. The study data will be analyzed statistically.
Protocol Amendment History 1 amendment
This ClinicalTrials.gov record has been amended once since 2025-06-26.
Trial Details
NCT Number NCT07050537
Lead Sponsor The First Affiliated Hospital with Nanjing Medical University
Conditions Fertility Issues, Blastocyst IVF, Embryo Culture
Enrollment 980 participants
Start Date 2025-03-01
Primary Completion 2027-03-31 (estimated)
Study Completion 2027-08-31 (estimated)
Updated on ClinicalTrials.gov 2026-06-01