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New study sets baseline for blood clotting in pregnancy to prevent deadly bleeding

NCT ID NCT04753671

Knowledge-focused Sponsor: University Hospital, Lille 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study aimed to establish normal blood clotting ranges for healthy pregnant women and new mothers using a new device called Quantra®. Postpartum hemorrhage (heavy bleeding after birth) is a leading cause of maternal death, and knowing what's normal can help doctors detect and treat clotting problems early. Researchers measured clotting in 31 healthy women before and after vaginal or cesarean delivery.

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.

Participants

31 people

The number who actually took part.

Started

May 2021

Finished

Nov 2022

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.

Who is studied

a cohort of Healthy pregnant woman (indemne of any chronic pathology neither obstetrical pathology)

Ages

18 years and older

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: * Healthy pregnant woman (indemne of any chronic pathology neither obstetrical pathology) * Delivering vaginally without postpartum hemorrhage for 60 patients * Delivering through a programmed C-section for 20 patients * Having given a non-opposition agreement to participate in the study. * Major patient with social insurance Exclusion Criteria: * Any acute or chronic hemostasis pathology before pregnancy or during pregnancy instrumental delivery or cesarean section Postpartum bleeding.

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Conditions

The condition(s) this trial relates to.

puerperal disorder vascular hemostatic disease

As listed by the trial registrant

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

Pregnancy postpartum

Contacts and locations

Locations

  • Hop Jeanne de Flandre Chu Lille

    Lille, 59037, France