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A case records based study for the new method of additional letrozole administration reduces ovulation induction failure in patients with polycystic ovary syndrome

A new method of additional letrozole administration reduces ovulation induction failure in patients with polycystic ovary syndrome

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2100049141
Enrollment
Unknown
Registered
2021-07-23
Start date
2021-08-01
Completion date
Unknown
Last updated
2022-04-04

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

Conditions

polycystic ovary syndrome

Interventions

Experimental group:A new method of additional letrozole administration

Sponsors

The affiliated reproductive hospital of China Medical University
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1. Patients with polycystic ovary syndrome have experienced at least one failure of standardized ovulation induction, and the cycle is canceled in order to avoid OHSS caused by the development of multiple follicles; 2. Bilateral fallopian tubes are unobstructed; 3. Spouse semen analysis is normal or mildly oligospermia.

Exclusion criteria

Exclusion criteria: Uterine fibroids, endometriosis, chronic pelvic inflammatory disease, endometrial polyps et al. that reduce the chance of pregnancy and ovarian tumours.

Design outcomes

Primary

MeasureTime frame
The number of cycles/rate of successful ovulation induction;the number of cycles/rate of target follicles ovulation induction;the number of cycles/rate of monofollicle development;The number of cycles/rate of clinical pregnancy;multiple pregnancy;

Secondary

MeasureTime frame
The number of days and total dose of human menopausal gonadotropin;

Countries

China

Contacts

Public ContactSui Yang

The affiliated reproductive hospital of China Medical University

suiyang2014@163.com+86 13940066656

Outcome results

None listed

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