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The precision timing for oocyte interval by post-trigger estradiol trends in in vitro fertilization: a prospective cohort study

The cohort trial of the precision timing of oocyte retrieval in IVF treatment

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2000036571
Enrollment
Unknown
Registered
2020-08-24
Start date
2020-10-01
Completion date
Unknown
Last updated
2020-09-14

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

Conditions

infertility

Interventions

increased estrogen group:routine timed etrieval
increased estrogen and delayedgroup:delayed retrieval
decreased estrogen and advanced group:early retrieval
decreased estrogen:routine timed retrieval
flated estrogen group:routine timed retrieval

Sponsors

Shanghai Ninth People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
23 Years to 41 Years

Inclusion criteria

Inclusion criteria: aged 25-42years, normal ovarian reserve; IVF treatment using PPOS and GnRH antagonist protocols.

Exclusion criteria

Exclusion criteria: 1. Systematic diseases; 2. PCOS and endometrosis, acute and chronic genital inflammation; 3. acute and chronic genital tumors; 4. abnormal development of Mullerian tube or abnormal karyotype; 5. used hormone treatment in recent three months.

Design outcomes

Primary

MeasureTime frame
oocyte retrieval rate;—

Secondary

MeasureTime frame
mature oocyte rate;oocyte utility rate;clinical pregnancy rates;live birth rate;—

Countries

China

Contacts

Public ContactChen Qiuju

Shanghai Ninth People's Hospital

chenqj75@126.com+86 13774305240

Outcome results

None listed

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