Geneva, Jan. 12 -- International Clinical Trials Registry received information related to the study (ChiCTR2500114865) titled 'The Association Between Serum Estradiol Levels on hCG Trigger Day and Clinical Pregnancy Outcomes in Fresh Embryo Transfer Cycles: A Retrospective Study' on Dec. 18, 2025.
Study Type: Observational study
Study Design:
Cohort study
Primary Sponsor: Sun Yat-sen Memorial Hospital
Condition:
Infertility, clinical pregnancy
Intervention:
Higher-level estrogen group:None
Recruitment Status: Not Recruiting
Phase: N/A
Date of First Enrollment: 2025-12-20
Target Sample Size: Higher-level estrogen group:833;Lower-level estrogen group:833;
Countries of Recruitment:
China
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