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Could a cold before pregnancy harm your baby? new study investigates

NCT ID NCT07257952

Knowledge-focused Sponsor: Shanghai General Hospital, China 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 This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 will follow 1,440 women aged 20 to 45 who had a respiratory viral infection within six months before pregnancy or early in pregnancy. Researchers will track pregnancy complications like gestational diabetes and preterm birth to see if these infections increase risks. The goal is to fill a gap in knowledge and improve care for mothers and infants.

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 successful, this study could help identify which respiratory infections pose the greatest risks during pregnancy, leading to better monitoring and prevention strategies.
What could go wrong
This is an observational study, not a treatment trial, so it cannot prove cause and effect. Results may be influenced by other factors and may not apply to all populations.

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

About 1,440 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Nov 2028

An estimate. End dates often move.

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

Women who are planning to conceive or pregnant women.

Ages

20 to 45 years

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: * Female; * Age 20 to 45 years old; * Physician-diagnosed acute respiratory viral infection occurring within 6 months before pregnancy and/or at \<24 weeks of gestation. Exclusion Criteria: * Pregestational T1D or T2D; * Long-term use of immunosuppressants or glucocorticoids; * Diseases that severely affect immune or metabolic function (e.g., HIV, SLE, rheumatoid arthritis); * Severe mental illness or cognitive impairment; * Women whose electronic medical records lack GDM screening and delivery records.

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Conditions

The condition(s) this trial relates to.

Premature Birth viral respiratory tract infection

As listed by the trial registrant

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

Adverse pregnancy outcomes Respiratory viral infections

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  2. 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.

More trials for these conditions

Other studies related to the condition(s) this trial covers.