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Can wearable sensors solve the mystery of heavy periods?

NCT ID NCT07557992

Knowledge-focused Sponsor: University Hospital Southampton NHS Foundation Trust Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

Heavy menstrual bleeding affects 1 in 3 women, yet there's no simple test to diagnose it. This study will use wearable sensors and MRI scans to measure uterine activity in 100 women with and without heavy periods. The goal is to identify biological differences that could lead to a future diagnostic tool.

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 lead to a simple, accurate diagnostic test for heavy menstrual bleeding, improving diagnosis and treatment.
What could go wrong
This is an early observational study, not a treatment trial. It may not identify clear differences or lead to a usable test.

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 100 people

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

Started

Feb 2026

Expected to finish

Feb 2030

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

Participants will be recruited from in and around Hampshire with the ability to attend Southampton General Hospital for appointments. They will be recruited from both within hospital settings but also the community as many women suffer with HMB without seeking support.

Ages

18 to 45 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: * 18-45 * Having Periods Exclusion Criteria: * Currently pregnant or breastfeeding. * Known uterine malignancy, severe anaemia requiring urgent treatment, or other acute gynaecological emergencies. * Inability to undergo MRI (e.g., pacemaker, severe claustrophobia). * Inability to provide informed consent. * Current use of hormonal treatment, or use in the last 2 months

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Conditions

The condition(s) this trial relates to.

Menorrhagia

As listed by the trial registrant

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

Menorrhagia due to benign causes

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • University Hospital Southampton

    RECRUITING

    Southampton, so16 6yd, United Kingdom