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Carcinogenic Risk of Medical Radiation Exposure: A Population-based Study for Fetus, Infant, and Child

Carcinogenic Risk of Medical Radiation Exposure: A Population-based Study for Fetus, Infant, and Child

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CRIS
Registry ID
KCT0008740
Enrollment
5000000
Registered
2023-08-25
Start date
2022-01-10
Completion date
Unknown
Last updated
2025-07-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

None listed

Sponsors

Seoul National University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Mother-child pairs with live births from 2007 through 2018 matched with health insurance identification numbers in the NHIS

Exclusion criteria

Exclusion criteria: Beginning of pregnancy could not be accurately estimated 1. Maternal delivery code not recorded as primary diagnosis during child’s birth year 2. Preterm delivery 3. Postterm delivery

Design outcomes

Primary

MeasureTime frame
the occurrence of any pediatric malignancy—

Secondary

MeasureTime frame
Rate of abdominopelvic CT scan per 1,000 pregnancies according to the diagnosis—

Countries

Korea, Republic of

Contacts

Public ContactJungheum Cho

Seoul National University Bundang Hospital

jojoini05@gmail.com+82-31-787-7607

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 4, 2026