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Endometriosis in pregnancy: new study reveals hidden dangers

NCT ID NCT02498691

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 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study followed over 1,400 pregnant women with endometriosis to see how the disease affects pregnancy outcomes like preterm birth. Researchers compared different types of endometriosis to understand which pose higher risks. The goal is to improve pregnancy monitoring and care for women with this condition.

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 could help doctors better monitor pregnancies in women with endometriosis and reduce complications.
What could go wrong
This is an observational study, not a treatment trial. It cannot prove cause and effect, only associations.

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

1,444 people

The number who actually took part.

Started

Feb 2016

Finished

Feb 2019

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 years and older

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: * Patient major * Single Pregnancy * Patient followed before 22 SA and giving birth in the maternity ward in the study * Affiliated to health care Exclusion Criteria: * Opposition to the use of personal medical data or medical data of their child for research purposes * Pregnant women with multiple pregnancies * HIV positive women * Patients addressed in the center as part of a transfer in utero. * Women whose pregnancy is complicated by a spontaneous miscarriage before 15 weeks

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Conditions

The condition(s) this trial relates to.

endometriosis Premature Birth

As listed by the trial registrant

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

Endometriosis

Contacts and locations

Locations

  • Hopital Cochin

    Paris, 75014, France

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