Can a full bladder tilt the uterus? researchers measure the shift
NCT ID NCT07803627
First seen Sep 03, 2026 · Last updated Sep 04, 2026 · Updated 1 time
Summary
This study asks whether a full bladder changes the angle of the uterus in women whose uterus tilts forward. Researchers will have 30 adult women who have never given birth drink 600 mL of water, then take repeated ultrasound pictures as the bladder fills and after emptying. The goal is to see how the uterine flexion angle responds to bladder volume and what volume pushes the angle past 90 degrees. No treatment is given, and the study only observes these changes.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Repeated pelvic ultrasound measurements of bladder volume and uterine flexion angle
- What this could lead to
- If bladder filling reliably shifts the uterine angle, doctors may adjust ultrasound protocols or interpret measurements with this effect in mind.
- What could go wrong
- This is a small observational study with no comparison group, so results may not apply to all women. Measurements depend on ultrasound technique and bladder filling patterns.
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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About 30 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Sep 2026
An estimate. Start dates often move.
- Expected to finish
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Mar 2027
An estimate. End dates often move.
- 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 years and older
- Sex
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Female participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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: * Adult woman * Nulliparous * Registered with a social security scheme * Uterine flexion angle \< 90°, empty bladder Exclusion Criteria: * Pregnant woman * Woman wishing to become pregnant and currently trying to conceive * Primary amenorrhoea * Menopause * History of surgical termination of pregnancy * History of medical termination of pregnancy * History of hysterectomy * History of conisation * Absence of the uterus * Symptoms of urinary tract infection (gross haematuria, burning on urination, frequent urination) * Under legal guardianship (curatorship, trusteeship)
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Benoit CHIRON
Le Relecq-Kerhuon, 29480, France
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