Bed rest for short cervix under scrutiny: could normal activity be better?
NCT ID NCT07577388
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at whether recommending bed rest to pregnant women with a short cervix actually helps prevent preterm birth. Researchers will compare women who are told to rest with those who continue normal daily activities. The goal is to see if avoiding bed rest is just as safe and may reduce side effects like depression and bone loss.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- bed rest (activity restriction) vs. normal activity
- What this could lead to
- If successful, this could show that avoiding bed rest is safe and may reduce depression and bone loss in pregnant women with a short cervix.
- What could go wrong
- This is an observational study, not a controlled trial, so results may be less certain. It only includes women in Denmark, so findings may not apply elsewhere.
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
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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
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About 6,000 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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May 2026
An estimate. Start dates often move.
- Expected to finish
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May 2029
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.
- Ages
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18 years and older
- Sex
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Female participants only
- Healthy volunteers
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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 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.
Pregnant women with gestational age 20+0 to 33+6 * Cervical length \< 25 mm in singleton pregnancies and \< 30 mm in multiple pregnancies * Above 18 years of age * Reads and understands Danish or English
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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.
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