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Could egg freezing reveal hidden womb conditions?

NCT ID NCT06211569

Knowledge-focused Sponsor: Assistance Publique - Hôpitaux de Paris 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study will use pelvic ultrasound to check for endometriosis and adenomyosis in 400 women aged 29–37 who are freezing their eggs for non-medical reasons. Researchers will compare imaging findings with symptoms, anxiety, depression, and quality of life. The goal is to understand how common these conditions are in this group and how they affect well-being.

What this could mean

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

What this could lead to
If successful, this study could show that many women seeking elective egg freezing have undiagnosed endometriosis or adenomyosis, leading to earlier detection and better fertility counseling.
What could go wrong
This is an observational study, not a treatment trial. It only measures prevalence and associations, so it won't directly improve health outcomes. Results may not apply to all women.

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.

Participants

About 400 people

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

Started

Apr 2024

Expected to finish

Jan 2028

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.

Who is studied

Women of childbearing age, not pregnant, consulting for non-medical oocyte self-preservation

Ages

29 to 37 years

Sex

Female participants only

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Woman aged between 29 and 37 * Consultant for non-medical fertility preservation in the Reproductive Medicine Unit Port Royal, Cochin * Informed and not opposed to this research * Affiliated to a social security scheme Exclusion Criteria: * Pregnant women * Refusing to take part in the study * Under court protection, curatorship or guardianship * Women with a known malformation of the genital tract

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Conditions

The condition(s) this trial relates to.

adenomyosis endometriosis

As listed by the trial registrant

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

Elective fertility preservation

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

  • Gynécologie Obstétrique II et médecine de la reproduction, Hôpital Cochin, Port Royal

    RECRUITING

    Paris, Île-de-France Region, 75014, France