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Heart monitoring reveals best position for uterus during C-Section

NCT ID NCT02283931

Knowledge-focused Sponsor: Brigham and Women's Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 13, 2026 · Last updated Jul 14, 2026 · Updated 1 time

Summary

This study uses two noninvasive heart-monitoring tools—ultrasound and a special monitor—to measure how different positions of the uterus affect a pregnant woman's blood flow. Researchers will compare three standard uterine displacement techniques in healthy women at full term who are not in labor. The goal is to find out which position best supports the mother's heart function, which could help guide anesthesia care during cesarean deliveries.

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 one position is found to improve blood flow, it could guide safer anesthesia care for cesarean sections.
What could go wrong
This is a small observational study with 25 healthy pregnant women, so results may not apply to all pregnancies or those with complications.

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

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

About 25 people

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

Started

Jan 2015

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.

Ages

18 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: 1. Healthy ASA physical status I-II 2. Term parturient Exclusion Criteria: 1. Woman in labor 2. Presence of maternal medical conditions affecting the cardiovascular system (including preeclampsia, gestational hypertension) 3. Fetal anomaly or intrauterine growth restriction (\< 25th percentile) 4. Maternal renal or endocrine disease

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As listed by the trial registrant

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

Obstetric anesthesia, cardiac monitoring

How to take part

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  1. The places running it

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

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. A doctor treating you

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Contacts and locations

Locations

  • Brigham and Women's Hospital

    Boston, Massachusetts, 02115, United States