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Smoking during pregnancy linked to worse baby health outcomes

NCT ID NCT07427706

Knowledge-focused Sponsor: Institut Investigacio Sanitaria Pere Virgili 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 105 babies born to mothers who smoked during pregnancy, comparing those whose mothers quit versus those who continued. Researchers checked health indicators like birth weight, Apgar scores, and developmental milestones up to 24 months. The goal is to understand the real-world impact of tobacco exposure on newborns.

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 provide clearer evidence on the harms of smoking during pregnancy, helping to inform public health advice and encourage quitting.
What could go wrong
This is a small, retrospective observational study, not a clinical trial. It can show links but cannot prove cause and effect. Results 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

105 people

The number who actually took part.

Started

Feb 2023

Finished

Sep 2025

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

Newborns of pregnant women who are smokers or former smokers

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

Sex

Anyone

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: \- Newborns of participants in the Tobbgest study who provide data (CIP and/or full name) of their offspring. Exclusion Criteria: \- Newborns who do not follow the healthy child preventive activities program or whose data is not recorded in the Primary Care Clinical Station (ECAP), the primary care computer program in Catalonia.

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Conditions

The condition(s) this trial relates to.

Breast Feeding developmental coordination disorder developmental disability lactation disease Smoking Smoking Cessation tooth disorder

As listed by the trial registrant

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

Apgar score Cardiopulmonary Cesarean DENTAL HEIGHT Lactation Motor coordination or function; developmental disorder Smokers Weight control

Contacts and locations

Locations

  • Unidad de Salud Publica y Epidemiologia Nutricional. Departamento de ciencias medicas y basicas

    Tarragona, Reus, 43201, Spain

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