Could a stomach bug cause recurrent miscarriage? new study investigates
NCT ID NCT07293169
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study will test 100 women with repeated miscarriage of unknown cause for H. pylori infection using a stool test. The goal is to see if the infection is more common in these women. If a link is found, it may lead to future research on screening or treatment.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If a link is found, it could point toward screening or treating H. pylori to reduce unexplained miscarriages.
- What could go wrong
- This is an early observational study, not a treatment trial. It may find no clear connection, and even if it does, it won't prove that treating H. pylori prevents miscarriage.
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
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About 100 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Dec 2025
An estimate. Start dates often move.
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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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
• All woman with repeated abortion of Unknwon cause.
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Female participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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• All woman with repeated abortion of Unknwon cause. * Not received H.pylori eradication therapy in prior 3 months . Exclusion Criteria: * Known uterine anatomical causes of abortion. * Current systemic antibiotic use and PPIs within 2 weeks. * Medical diseases as (Thyroid disorders , DM,HTN). * Antiphspholipid syndrome.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.