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Pregnancy's final month: a natural blood thinner?

NCT ID NCT02828852

Knowledge-focused Sponsor: University Hospital, Toulouse 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at how platelets (blood cells that help clotting) work in women during the last month of pregnancy compared to non-pregnant women. Researchers took blood samples from 60 women to measure platelet activity and clotting. The goal was to understand if pregnancy naturally reduces clotting to prevent dangerous clots, which might explain why pregnant women have fewer arterial clots.

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

60 people

The number who actually took part.

Start date

May 2010

Finished

Jul 2016

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

Accepted

You do not need to have the condition being studied to take part.

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: * Signature of the form of consent * Absence of any physical or psychic pathology which can interfere with the normal realization of the study * Group1 : Women in the last month of pregnancy * Group 2 : Women old enough to procreate, no pregnancy and without hormonal treatment Exclusion Criteria: * Thrombopenia (platelet numeration \< 120 000 / mm3), * Gestational diabet, * Hormonal treatment : oestrogen-progestagen, progestagen, Selective Estrogen Receptor Modulator (SERM), inductors of ovulation, * Anticoagulant and any medication which can intervene on the platelet function (AINS, antidepressants) * Personal history of thromboembolic accident venous or arterial, * Personal history of haemostasis disease * Personal history of hepatic or renal disease * Personal history of autoimmune disease.

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As listed by the trial registrant

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

Pregnancy

Contacts and locations

Locations

  • University Hospital of Toulouse

    Toulouse, France

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