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Natural Cycle, Minimal Stimulation and Conventional IVF: a Registry-based Study

Natural Cycle, Minimal Stimulation and Conventional IVF: a Registry-based Comparison of the IVF Treatments, Their Efficacy and Pregnancy Outcomes

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT05125497
Acronym
IVF-Regsitry
Enrollment
3000
Registered
2021-11-18
Start date
2022-01-01
Completion date
2023-03-31
Last updated
2023-05-15

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

Conditions

IVF

Brief summary

International prospective registry-based study of different types of In Vitro Fertilisation (IVF) and their outcome.

Detailed description

One year of prospective collection of descriptive In-Vitro-Fertilisation data. The data will be collected in 13 In-Vitro-Fertilisation-centres

Interventions

PROCEDUREIn Vitro Fertilisation (IVF)

Natural Cycle In Vitro Fertilisation (IVF): without hormonal stimulation Conventional In Vitro Fertilisation (IVF): conventional hormonal stimulation Minimal Stimulation In Vitro Fertilisation (IVF): low dose of hormonal stimulation will be applied

Sponsors

Universitätsklinik fur Frauenheilkunde, Inselspital Bern
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
FEMALE
Healthy volunteers
No

Inclusion criteria

In Vitro Fertilisation and signed informed consent

Exclusion criteria

* Medical freezing * Social freezing * thawed cycles

Design outcomes

Primary

MeasureTime frameDescription
Implantation rate1 yearpregnancy rate per transferred embryo

Secondary

MeasureTime frameDescription
Number of oocytes1 YearNumber of retrieved oocytes per protocol
Clinical pregnancy rate1 yearPregnancy rate per transfer
Pregnancy outcome1 yearPregnancy complications including preeclampsia
In Vitro Fertilisation complications rates1 yearmiscarriage

Countries

Switzerland

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 6, 2026