Ultrasound could help women avoid unnecessary repeat C-Sections

NCT ID NCT01916044

Completed Knowledge-focused Sponsor: Assistance Publique - Hôpitaux de Paris Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Jun 26, 2026 · Updated 2 times

Summary

This study looked at whether an ultrasound measurement of the lower uterine segment can predict the risk of uterine rupture in pregnant women who have had a previous C-section. Over 2,900 women were enrolled to see if using this measurement alongside a decision rule could reduce complications for both mother and baby. The goal is to help more women safely attempt vaginal birth after 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: Ultrasound measurement of the lower uterine segment
What this could lead to: If successful, this could give doctors a reliable way to predict uterine rupture risk, helping more women safely attempt vaginal birth after a C-section and reducing unnecessary repeat C-sections.
What could go wrong: This is a completed trial, but the ultrasound method may not be accurate enough in practice, and results may not apply to all women with a prior C-section.

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As listed by the trial registrant

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

LABOR LOWER UTERINE SEGMENT

Contacts and locations

Locations

CHI Poissy Saint Germain

Poissy, France

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