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Serum estradiol level for determining follicle maturity:a retrospective study

Serum estradiol level for determining follicle maturity:a retrospective study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500097149
Enrollment
Unknown
Registered
2025-02-13
Start date
2025-02-15
Completion date
Unknown
Last updated
2025-02-17

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

Conditions

Female infertility

Interventions

Observation group:NA

Sponsors

The international peace maternity and child health hospital
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
20 Years to 45 Years

Inclusion criteria

Inclusion criteria: 1.Patients who monitoring for egg retrieval, insemination, embryo transfer or trying to conception in natural cycle . Ultrasound test show that single dominant follicle reached 16mm to 22mm diameter, and serum E2 was measured.

Exclusion criteria

Exclusion criteria: 1.Patients using aromatase inhibitors such as letrozole during follicle monitoring; 2.Patients using estradiol or medicine may interfere with the estradiol measurement during follicle monitoring; 3.Patients using clomiphene during follicular monitoring; 4.More than one dominant follicles; 5.Tubal infertility;

Design outcomes

Primary

MeasureTime frame
Oocyte maturation;

Countries

China

Contacts

Public ContactGuo Mengxi

The international peace maternity and child health hospital

guomx@sjtu.edu.cn+86 21 6407 0434

Outcome results

None listed

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