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

NCT ID: NCT05125497

Last Updated: 2023-05-15

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

3000 participants

Study Classification

OBSERVATIONAL

Study Start Date

2022-01-01

Study Completion Date

2023-03-31

Brief Summary

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

Detailed Description

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

Conditions

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IVF

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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In Vitro Fertilisation (IVF)-Patients

Patients aim to do In-Vitro-Fertilisation (IVF)

In Vitro Fertilisation (IVF)

Intervention Type PROCEDURE

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

Interventions

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In 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

Intervention Type PROCEDURE

Eligibility Criteria

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Exclusion Criteria

* Medical freezing
* Social freezing
* thawed cycles
Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Universitätsklinik fur Frauenheilkunde, Inselspital Bern

OTHER

Sponsor Role lead

Responsible Party

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Magaton Isotta

Dr. med. Isotta Martha Magaton

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Universitätsfrauenklinik Bern

Bern, , Switzerland

Site Status

Countries

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Switzerland

References

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Magaton IM, Siercks I, Nordin M, Popovici RM, Boogen EM, Eisenhardt S, Reeka N, Lanowski JS, Roumet M, von Wolff M. Oocyte and zygote development potential in minimal stimulation, natural cycle and conventionally stimulated IVF: an international multi-centre retrospective cohort study. J Assist Reprod Genet. 2025 Jul;42(7):2331-2340. doi: 10.1007/s10815-025-03508-3. Epub 2025 May 28.

Reference Type DERIVED
PMID: 40434705 (View on PubMed)

Other Identifiers

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LB1562_NC-IVF

Identifier Type: OTHER

Identifier Source: secondary_id

Study Number 4949

Identifier Type: OTHER

Identifier Source: secondary_id

2021-01689 (BASEC-ID)

Identifier Type: -

Identifier Source: org_study_id

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