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Effect of changing the ovarian hyperstimulation protocol from agonist to antagonist or vice versa after an unsuccessful cycle without a transplantable embryo on the same patient

Effect of changing the ovarian hyperstimulation protocol from agonist to antagonist or vice versa after an unsuccessful cycle without a transplantable embryo on the same patient

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2200062568
Enrollment
Unknown
Registered
2022-08-11
Start date
2022-08-11
Completion date
Unknown
Last updated
2023-04-12

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

Conditions

Infertility

Interventions

the changed protocol group:using different stimulation protocol
the same protocol group:using the same stimulation protocol

Sponsors

Guangxi Reproductive Medical Center, the First Affiliated Hospital of Guangxi Medical University
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
20 Years to 45 Years

Inclusion criteria

Inclusion criteria: 1. Age 20-45 years; 2. IVF was performed for two consecutive cycles using either the GnRH agonist or the GnRH antagonist protocol, and no transplantable embryo was obtained in the first cycle.

Exclusion criteria

Exclusion criteria: 1. Did not complete multiple stimulations due to cancellation prior to retrieval; 2. Greater than one year between stimulations.

Design outcomes

Primary

MeasureTime frame
oocytes collected;fertilization rate;transplantable embryo;embryo implantation rate;clinical pregnancy rate;—

Countries

China

Contacts

Public ContactYihua Yang
workyyh@163.com+86 771 5356816

Outcome results

None listed

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