Deep endometriosis: surgery vs. IVF in fertility showdown
NCT ID NCT04610710
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study compared two approaches for women with deep endometriosis who want to get pregnant: surgery to remove endometriosis or fertility treatment (IVF). Researchers planned to track pregnancy and live birth rates. The trial was stopped early after enrolling 38 women, so the results are limited and may not give a clear answer.
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 and patients choose the best first step—surgery or IVF—to improve pregnancy chances in deep endometriosis.
- What could go wrong
- The trial was terminated early with only 38 participants, so results are limited. It may not provide clear answers, and individual outcomes vary.
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
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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
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38 people
The number who actually took part.
- Started
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Nov 2020
- Finished
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Mar 2026
- Lead sponsor
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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
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18 to 38 years
- Sex
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Female participants only
- Healthy volunteers
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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 Hide 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: * Rectosigmoid endometriosis and wish for surgery * Pregnancy intention for at least 6 months * AMH above 5 pmol/ml * Maximum of 2 previous IVF treatments * Male partner Exclusion Criteria: * Endometriosis involving the ureter unilaterally or bilaterally (randomization unethical) * BMI above 32 * Contraindication for IVF (untreated uterine factor infertility, untreated/maltreated systemic or malignant disease, oocyte aspiration severely riskful (e.g. severe abdominal adhesions) * No wish for randomization
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Aarhus University Hospital
Aarhus N, Central Region, 8200, Denmark
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Horsens Regional Hospital
Horsens, Central Region, 8700, Denmark
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The Endometriosis Center, Clinique Tivoli-Ducos
Bordeaux, France
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