How much water should you drink before a pelvic ultrasound? study aims to find out.
NCT ID NCT07642570
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study will test four different water-drinking plans in 20 healthy women to see which one gives the best bladder filling for a pelvic ultrasound. Participants will drink different amounts of water on different days, and researchers will measure bladder volume and comfort. The goal is to find a protocol that provides a full enough bladder for a clear image without causing discomfort.
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 establish a standard, comfortable water-drinking protocol for women before pelvic ultrasound, improving image quality and patient experience.
- What could go wrong
- This is a very small, early-stage observational study (20 women) with no treatment. Results may not apply to all women or other ultrasound types.
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 20 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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Aug 2028
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.
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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 woman * Affiliated with a social security system Exclusion Criteria: * Pregnant woman * Menopause * History of hysterectomy * Absence of uterus * Symptoms of urinary tract infection (macroscopic hematuria, burning during urination, pollakiuria) * Overactive bladder defined by the clinical question: "Do you have an urgent need to urinate, difficult to control, sometimes resulting in leakage?" * Under legal protection (guardianship, conservatorship) * Refusal to participate
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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.
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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Pr Benoit CHIRON
Le Relecq-Kerhuon, 2948, France
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