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Blood thinners and baby hopes: new study investigates uterine health

NCT ID NCT07494877

Knowledge-focused Sponsor: Tang-Du Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether blood-thinning medications (like aspirin or heparin) can improve the uterine lining and pregnancy rates in women struggling with infertility. Researchers will use special ultrasound scans to measure the womb's thickness, blood flow, and movement in about 300 women aged 20 to 45. The study is purely observational, meaning doctors will prescribe treatments as usual, and the research team will simply track the results.

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 300 people

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

Started

Sep 2025

Expected to finish

Dec 2027

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

The study population consists of adult female patients, aged 20 to 45 years, who have been clinically diagnosed with infertility. These patients are seeking routine infertility treatments, such as in vitro fertilization (IVF) and embryo transfer or monitored conception cycles, at Tangdu Hospital. The population includes patients who receive standard conventional treatment as well as those who are prescribed adjunctive anticoagulant therapy based on their routine clinical care indications.

Ages

20 to 45 years

Sex

Female participants only

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Female patients aged 20 to 45 years. Clinically diagnosed with infertility and planning to undergo embryo transfer or monitored conception cycles. Patients who have complete baseline clinical data and are willing to undergo multimodal ultrasound evaluation of endometrial receptivity during the window of implantation. Voluntarily agreed to participate in this observational study and signed the informed consent form for data collection. Exclusion Criteria: * Presence of congenital uterine malformations (e.g., septate uterus, bicornuate uterus, unicornuate uterus) that significantly alter the endometrial cavity. Presence of untreated severe intrauterine lesions, such as submucosal fibroids, severe intrauterine adhesions, or endometrial polyps that may mechanically interfere with implantation. Severe underlying systemic diseases, including but not limited to severe liver or kidney dysfunction, or malignant tumors. Known severe bleeding disorders or strict contraindications to anticoagulant medications (for patients in the routine clinical care setting). Patients who are unable to cooperate with the transvaginal multimodal ultrasound examination or complete the required follow-up for pregnancy outcomes.

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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.

Infertility

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

  • Tangdu Hospital, Air Force Medical University

    RECRUITING

    Xi'an, Shaanxi, 710038, China

More trials for these conditions

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