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Comparison of the clinical outcomes in PCOS patients using late follicular phase ovarian stimulation protocol versus GnRH antagonist protocol:a prospective, randomized, controlled trial

Comparison of the clinical outcomes in PCOS patients using late follicular phase ovarian stimulation protocol versus GnRH antagonist protocol:a prospective, randomized, controlled trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2000036810
Enrollment
Unknown
Registered
2020-08-25
Start date
2020-09-01
Completion date
Unknown
Last updated
2020-09-21

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

Conditions

polycystic ovarian syndrome

Interventions

Late follicular phase ovarian stimulation protocol group:gonadotropin
GnRH antagonist protocol group:GnRH antagonist and gonadotropin

Sponsors

Shanghai First Maternity and Infant Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: infertility women, aged 20-40 years, PCOS patients with a ''freeze-all'' policy

Exclusion criteria

Exclusion criteria: documented IVF failure cycles more than two times; documented cycles with no oocyte retrieved; endometriosis grade 3 or higher; clinically significant systemic disease such as renal failure, administration of hormonal treatments in the previous 3 months

Design outcomes

Primary

MeasureTime frame
the number of viable embryo;—

Secondary

MeasureTime frame
the number of oocytes retrieved;the number of mature oocytes;the clinical pregnancy rate;the implantation rate;the early miscarriage rate;—

Countries

China

Contacts

Public ContactFu Yonglun

Shanghai First Maternity and Infant Hospital

fuyonglunivf@163.com+86 13917547302

Outcome results

None listed

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