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Ultrasound may sharpen labor timing predictions for induced births

NCT ID NCT02570620

Knowledge-focused Sponsor: University Hospital, Tours 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This completed study looked at whether using ultrasound to measure the cervix can better predict the time from labor induction to delivery compared to the standard Bishop exam. Researchers followed 342 women with full-term, single pregnancies who had an unfavorable Bishop score. The goal was to improve care for mothers needing labor induction.

What this could mean

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

Active substance
Ultrasound of the cervix
What this could lead to
If successful, this could help doctors more accurately predict how long labor will take after induction, improving care for mothers.
What could go wrong
This is an observational study, not a treatment trial. The ultrasound method may not prove more reliable than current practice, and results may not apply to all pregnancies.

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

342 people

The number who actually took part.

Start date

Sep 2010

Finished

Mar 2014

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

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: * Age \> 18 years * Single pregnancy to term (\> 37 weeks) in cephalic presentation * Bishop score on the day of inclusion equal to 4.5 or 6 * Medical indication in accordance with professional recommendations of the April 2008 HAS. Exclusion Criteria: * Cicatricial uterus * Placenta previa * Parity \> 3 (more than 3 previous deliveries \> 22 weeks) * History of cone biopsy and strapping * Known fetal malformation * Known allergy to prostaglandins * Woman under guardianship

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As listed by the trial registrant

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

Birth; induced Delivery uterine

Contacts and locations

Locations

  • Hospital of Orleans

    Orléans, France

  • University Hospital of Nantes

    Nantes, France

  • University Hospital of Tours

    Tours, France

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