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CompletedNCT02570620ECOLDIAUpdated Dec 30, 2025

Contribution of Ultrasonography in the Evaluation of Cervical Induction-delivery Time

An interventional study of Ultrasonography of the cervix in Delivery Uterine and Birth; Induced, sponsored by University Hospital, Tours. Completed at 3 sites in France. Open to female participants aged 18 Years to 50 Years. Per ClinicalTrials.gov, last updated 2025-12-30.

Sponsored by University Hospital, Tours · Not applicable, Interventional, and Prevention

Phase
Not applicable
Study type
Interventional
Enrollment
342
Allocation
Not applicable
Ages
18 Years to 50 Years
Sex
Female
01

Study summary

Study of the contribution of ultrasound measurements of the uterine cervix related to the calculation of Bishop score. Evaluation of the period between cervical induction and delivery. Study of ultrasound data to improve the care of these patients requiring induction.

02

Conditions studied

  • Delivery Uterine
  • Birth; Induced
03

In context

Lead sponsor

University Hospital, Tours is the lead sponsor of 304 studies on the registry; 78 are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years to 50 Years
Sexes eligible
Female
Accepts healthy volunteers
No

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

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
05

Study design

Phase
Not applicable
Primary purpose
Prevention
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
342 participants (actual)

Study arms

  • Experimental
    Observational cohort of patients

    Patients will benefit from an ultrasonography of the cervix through endovaginal before induction of prostaglandins

    Device: Ultrasonography of the cervix

Interventions

  • DeviceUltrasonography of the cervix
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What researchers measure

Primary outcomes

  1. Time in hours between induction of prostaglandins and delivery

    Delivery whether a vaginal delivery or cesarean

    Time frame: On the day of inclusion after induction of prostaglandins. In relation to the time of delivery.

07

Study locations

3 sites
  • University Hospital of Nantes
    Nantes, France
  • Hospital of Orleans
    Orléans, France
  • University Hospital of Tours
    Tours, France
08

References and documents

Publications

  • Arthuis C, Potin J, Winer N, Tavernier E, Paternotte J, Ramos A, Perrotin F, Diguisto C. Contribution of ultrasonography to the prediction of the induction-delivery interval: The ECOLDIA prospective multicenter cohort study. J Gynecol Obstet Hum Reprod. 2021 Dec;50(10):102196. doi: 10.1016/j.jogoh.2021.102196. Epub 2021 Jul 10. PubMed 34256166 ↗
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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Dec 30, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT02570620
Lead sponsor
University Hospital, Tours
Responsible party
Sponsor
First posted
Oct 7, 2015
Start date
Sep 2010
Primary completion
Mar 2014
Completion
Mar 2014
Last update
Dec 30, 2025

Study contacts

Jérôme POTIN
principal investigator · University Hospital, Tours

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Dec 2025. You cannot join it, but the record below documents what was studied.

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