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Period blood could revolutionize Women's health research

NCT ID NCT07638085

Knowledge-focused Sponsor: Genie Fertility Ltd 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

This study will check if menstrual blood can give the same health information as regular blood tests, uterine biopsies, and vaginal swabs. One hundred menstruating women aged 18 and over will provide samples during their period. The goal is to see if menstrual blood is a useful, less invasive tool for future fertility and women's health research.

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 show that menstrual blood is a useful tool for future fertility and women's health research, potentially reducing the need for invasive procedures.
What could go wrong
This is an early observational study with only 100 participants, and it is not designed to provide direct medical benefits or individual results. The findings may not apply to all women or lead to immediate clinical changes.

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.

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Apr 2029

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Women who have been through menarche and are considering fertility treatment, and menstruate without debilitating gynecological conditions

Ages

18 years and older

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:Are female and aged 18 years or over Experienced menarche but not menopause Are willing and able to provide a menstrual blood sample collected using a menstrual cup Are willing to provide a self-administered vaginal swab Are willing and able to undergo collection of a peripheral venous blood sample Are able to understand the study procedures and requirements Are able and willing to provide written informed consent Are willing for their samples and associated study data to be used for the research purposes described in the study documentation Participants may be recruited from participating fertility clinics. \- Exclusion Criteria: * Are male or 17 years or younger Not experienced menarche or experienced menopause Currently pregnant Have an active vaginal, pelvic or systemic infection that may affect safe participation or sample integrity Have a known allergy, sensitivity or intolerance to the menstrual cup material Have any medical, anatomical or physical condition that would make use of a menstrual cup unsafe or impractical Have any condition which, in the opinion of the investigator or delegated clinician, would make participation unsafe, inappropriate or unsuitable Are unable or unwilling to provide written informed consent

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Conditions

The condition(s) this trial relates to.

infertility disorder

As listed by the trial registrant

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

Fertility

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

  • Genie Fertility

    London, ENG, United Kingdom

More trials for these conditions

Other studies related to the condition(s) this trial covers.