A study to compare the endometrial features of women who did and did not benefit from endometrial scratch in the cycle preceding frozen embryo transfer

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR1800014443

Enrollment

Unknown

Registered

2018-01-12

Start date

2018-01-18

Completion date

Unknown

Last updated

2018-01-15

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

Conditions

infertility

Interventions

Case series:Luteinization Hormone (LH) surge + 7 days

Eligibility

Sex/Gender

Female

Age

18 Years to 40 Years

Inclusion criteria

Inclusion criteria: Women undergoing frozen embryo transfer cycles who fulfilled the diagnostic criteria for recurrent implantation failure

Exclusion criteria

Exclusion criteria: 1. Women older than 40 years; 2. Women who have any uterine anomaly or intrauterine pathology such as: Endometrial polyp; 3. Large fibroid with a diameter >4 cm; 4. Visible hydrosalpinx on transvaginal ultrasound scans; 5. BMI >35.

Design outcomes

Primary

Measure	Time frame
examine uterine endometrial markers and association with subsequent IVF outcome;	—

Countries

China

Contacts

Public ContactProf Li Tin Chiu

Department of OG

tinchiu.li@cuhk.edu.hk+852 3505 2800

Outcome results

None listed

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