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Membrane sweep may cut C-Section rates in first births

NCT ID NCT06809985

Disease control Sponsor: Ricardo A Gutierrez Ramirez, MD, MSc, FACOG 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
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested a procedure called the Hamilton maneuver (membrane sweep) in 71 first-time mothers to see if it could shorten early labor and reduce the need for C-sections. The procedure involves gently separating the amniotic sac from the uterus to encourage labor. Researchers measured how long it took to reach active labor and how many women ended up having a C-section.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Hamilton maneuver (membrane sweep)
What this could lead to
If effective, this simple procedure could help more women have a vaginal birth instead of a C-section, reducing surgical risks.
What could go wrong
This is a small, completed trial with only 71 participants. The procedure may not work for everyone, and results may not apply to other hospitals or populations.

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

71 people

The number who actually took part.

Started

Jan 2025

Finished

Sep 2025

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 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: * Submission of a signed and dated informed consent form. * Declared willingness to comply with all study procedures and availability for the duration of the study. * nulliparous * woman with singleton pregnancy at 37 weeks or more * integral membranes * cephalic presentation * Bishop's score less than 7 * No contraindication for vaginal delivery Exclusion Criteria: * Previous uterine surgery * Maternal condition preventing vaginal delivery * Fetal anomaly * Premature rupture of membranes * Multiple pregnancy * Fetal orbit * Myomas * Maternal comorbidities such as chronic arterial hypertension, type 1, 2 and gestational diabetes, hypothyroidism, among others. * Anemia

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As listed by the trial registrant

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

Cervical ripening Cesarean delivery Latent phase labour

Contacts and locations

Locations

  • Hospital Escuela

    Tegucigalpa, Francisco Morazán Department, 11101, Honduras

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