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Reduction of the multiple pregnancy rate in IVF-ET cycles by single early blastocyst transfer on day 4

Reduction of the multiple pregnancy rate in IVF-ET cycles by single early blastocyst transfer on day 4

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2300069922
Enrollment
Unknown
Registered
2023-03-29
Start date
2023-04-01
Completion date
Unknown
Last updated
2023-05-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

sterility and infertility

Interventions

D4 Early single blastocyst transfer group:D4 Early single blastocyst transfer
D5 single blastocyst transfer group:D5 single blastocyst transfer
D5 double blastocyst transfer group:D5 double blastocyst transfer

Sponsors

Second Affiliated Hospital of Kunming Medical University.
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
20 Years to 50 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: patients with at least one early blastocyst on day 4 after fertilization

Exclusion criteria

Exclusion criteria: The exclusion criteria were patients with recurrent abortion, carriers with abnormal chromosome structure, patients with abnormal uterine anatomy, and patients with endocrine diseases

Design outcomes

Primary

MeasureTime frame
clinical pregnancy;multiple pregnancy;—

Secondary

MeasureTime frame
HCG positive rate;Planting rate;Biochemical pregnancy rate;Abortion rate;Premature birth rate;Low birth weight infant rate;—

Countries

China

Contacts

Public ContactYang Jie

Second Affiliated Hospital of Kunming Medical University

yangjiee@kmmu.edu.cn+86 180 8812 6315

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026