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AI vs. embryologist: who picks the best embryo?

NCT ID NCT07187934

Knowledge-focused Sponsor: Universitair Ziekenhuis Brussel Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study compares an AI algorithm (iDAScore) to human embryologists in ranking embryos for IVF. About 1,325 patients will have their embryos ranked either by the AI or by a specialist, then transferred one by one until a pregnancy is achieved. The goal is to see if the AI can match the embryologist's accuracy, potentially making the process faster and more consistent.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
AI algorithm (iDAScore)
What this could lead to
If successful, this could show that AI can reliably rank embryos for IVF, potentially reducing the time and cost of fertility treatments.
What could go wrong
This is an early-stage study comparing AI to human judgment, and it may not prove that AI leads to better pregnancy rates. The AI might not work as well for all patient groups.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 1,325 people

The number the study aims to enrol. It can still change while the study runs.

Started

Dec 2025

Expected to finish

Oct 2029

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 42 years

Sex

Female participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * patients undergoing an ICSI/IVF treatment (with donor or own oocytes) that are planned for a 'freeze-all' strategy on day 5 * all types of sperm samples (ejaculated or testicular, fresh or frozen, partner or donor origin) * Minimum 8 follicles (≥ 12 mm) on last follicular measurement before oocyte retrieval * 18 ≤ Age ≤ 42 years * 18 ≤ BMI ≤ 35 kg/m² * Maximum third IVF/ICSI cycle * Participants can be included only once in the trial Exclusion Criteria: * Embassy patients * Use of frozen oocytes * In vitro maturation (IVM) cycles * Pre-implantation genetic Testing (PGT) cycles * Proven untreated intra-uterine pathologies (e.g. Asherman syndrome, adenomysosis) * Endometriosis stage 3/4

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Pregnancy

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Brussels IVF, UZ Brussel

    RECRUITING

    Brussels, Brussels Capital, 1090, Belgium

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