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New study: ultrasound test may unlock hidden cause of infertility after C-Section

NCT ID NCT07610668

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 300 women who had a C-section and are now having trouble getting pregnant or have other symptoms. Researchers use a special ultrasound called saline infusion sonohysterography (SIS) to check the scar on the uterus. The goal is to see how well SIS finds scar defects and how these defects relate to infertility, so doctors can make better treatment decisions.

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

Jan 2023

Expected to finish

Jul 2026

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 research population comprised adult women with a prior cesarean delivery who presented to Tangdu Hospital with symptoms including abnormal uterine bleeding, dysmenorrhea, prolonged menstrual spotting, or secondary infertility.

Ages

20 to 50 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: * More than 6 months after cesarean delivery; * Presenting with clinical symptoms-including abnormal uterine bleeding, dysmenorrhea, prolonged menstrual spotting, or secondary infertility; * Requiring saline infusion sonohysterography (SIS) to evaluate the cesarean scar. Exclusion Criteria: * Multiple cesarean deliveries; * Patients contraindicated for saline infusion sonohysterography (SIS), including pregnancy or suspected pregnancy, failure to meet vaginal hygiene criteria, inability to cooperate during the procedure, or suboptimal image quality; * Cases with incomplete clinical data or lost to follow-up.

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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

  • Tang-Du Hospital

    RECRUITING

    Xi'an, Shaanxi, 710038, China

More trials for these conditions

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