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Massive study tests if new labor rules can cut C-Section rates safely

NCT ID NCT02874443

Disease control Sponsor: University of Calgary 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 completed trial tested whether sharing updated guidelines for diagnosing slow labor could reduce the number of C-sections in first-time mothers. Over 88,000 women at hospitals in Alberta took part. The goal was to lower C-section rates without increasing risks for mothers or babies.

What this could mean

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

Active substance
Knowledge translation of labor management guidelines
What this could lead to
If successful, this could help reduce unnecessary C-sections in first-time mothers without harming mothers or babies.
What could go wrong
This is a behavioral intervention, not a drug or device. Results depend on how well hospitals adopt the guidelines, and benefits may vary across settings.

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

88,918 people

The number who actually took part.

Started

Oct 2016

Finished

Mar 2020

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

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * Centers in Alberta that provide intrapartum care, have facilities to perform cesarean section and deliver at least 70 primparous women annually Exclusion Criteria:

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Conditions

The condition(s) this trial relates to.

dystocia

As listed by the trial registrant

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

Cesarean section, dystocia

Contacts and locations

Locations

  • University of Calgary

    Calgary, Alberta, T2N 2T9, Canada