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Heavy phone use in pregnancy may harm fetal health

NCT ID NCT07271680

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 128 pregnant women in their third trimester to see if smartphone addiction is linked to changes in fetal heart rate, blood flow in the uterus, and birth weight. Participants were assessed for phone addiction, and their babies were monitored with ultrasound and weighed at birth. The goal is to understand if too much phone use could be a risk factor during pregnancy.

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 links are found, this could lead to better guidance for pregnant women on healthy smartphone use.
What could go wrong
This is an observational study, not a treatment trial. It can only show associations, not cause and effect. Results may not apply to all pregnancies.

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

128 people

The number who actually took part.

Started

Aug 2025

Finished

Dec 2025

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

The study population will consist of pregnant women in their third trimester (34-36 weeks of gestation) who present to Obstetric Clinics for routine antenatal follow-up. Eligible participants are biological females, aged 18-40 years, with singleton pregnancies, smartphone users, and without chronic systemic disease, fetal anomalies, or other exclusion criteria.

Ages

18 to 40 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: * Clinical diagnosis of singleton pregnancy * Must be in the third trimester of pregnancy (confirmed by ultrasound) * Must agree to participate voluntarily in the study and signing the informed consent form * Must own a smartphone Exclusion Criteria: * Clinical diagnosis of multiple pregnancy * History of miscarriage in previous pregnancies (3 or more) * Clinical diagnosis of chronic systemic diseases (e.g., diabetes, hypertension, thyroid disease) * Clinical diagnosis of fetal anomaly in the fetus * Drug or substance addiction * Clinical diagnosis of serious psychiatric disorder * Cigarette smoker

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Conditions

The condition(s) this trial relates to.

Birth Weight

As listed by the trial registrant

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

Contacts and locations

Locations

  • Antalya Anatolia Hospital

    Antalya, Turkey (Türkiye)

  • Ministry of Health Antalya City Hospital

    Antalya, 07080, Turkey (Türkiye)

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