Heavy phone use in pregnancy may harm fetal health
NCT ID NCT07271680
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
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128 people
The number who actually took part.
- Started
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Aug 2025
- Finished
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Dec 2025
- Lead sponsor
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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
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18 to 40 years
- 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: * 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.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Antalya Anatolia Hospital
Antalya, Turkey (Türkiye)
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Ministry of Health Antalya City Hospital
Antalya, 07080, Turkey (Türkiye)
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