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5,000 women join quest to unravel Endometriosis-Fertility link

NCT ID NCT07558629

Knowledge-focused Sponsor: The Second Hospital of Shandong University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 follows 5,000 women with and without endometriosis who are undergoing IVF treatment. Researchers will track pregnancy and birth rates, and analyze biological samples to understand how endometriosis affects fertility. The goal is to gather evidence that could lead to better diagnosis and personalized care for affected women.

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 research could reveal new insights into why endometriosis harms fertility and point toward better personalized treatments.
What could go wrong
This is an observational study, not a treatment trial. It will not directly test any new drug or therapy, and results may take years to translate into clinical practice.

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 5,000 people

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

Started

Oct 2025

Expected to finish

Jan 2037

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

Mainly composed of people from Shandong Province

Ages

20 to 37 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 with endometriosis and non-endometriosis who are scheduled to undergo in vitro fertilization/ intracytoplasmic sperm injection treatment at our hospital; * Womens' age \<38 year; * Patients diagnosed with endometriosis through surgery, ultrasound or magnetic resonance imaging. Exclusion Criteria: * The patient suffers from a severe uterine leiomyoma or other serious diseases; * The patient previously underwent unilateral/bilateral oophorectomy due to the disease; * The patient was previously diagnosed with a tumor-related disease; * The patients with immune disorders or metabolic diseases; * The patient undergoes egg cell donation; * The patient underwent pre-implantation genetic diagnosis.

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Conditions

The condition(s) this trial relates to.

endometriosis

As listed by the trial registrant

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

Assisted reproductive technology Endometriosis OMICS

Contacts and locations

Locations

  • The Second Hospital of Shandong University

    Jinan, Shandong, 977998, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.