How does maternal exposure to radiation during pregnancy affect autism risk?

PostedNovember 27, 2025

UpdatedNovember 27, 2025

ByMy Patient Advice

Author: Beatrice Holloway, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

Emerging research has raised questions about the link between radiation exposure and autism, particularly during pregnancy. While low-level exposure from everyday electronics or routine medical scans is generally considered safe, high or prolonged exposure may pose concerns for early brain development.

During pregnancy, developing neural tissues are especially sensitive to environmental hazards. If a mother is exposed to significant levels of radiation whether from occupational sources or rare accidents it may increase prenatal risk factors associated with conditions like autism. While more studies are needed to establish a clear connection, caution is advised. Reducing non-essential radiation, especially in early trimesters, and discussing concerns with healthcare providers can help manage potential radiation exposure and autism concerns effectively.

Behaviours That May Indicate Early Developmental Differences

Early signs of autism can vary but are often noticeable in the first few years. Below are some traits parents and caregivers might observe.

Limited use of gestures

Children may struggle to point, wave, or use facial expressions, affecting non-verbal communication.

Difficulty with social connection

You might notice a lack of interest in other people or less engagement during playtime or routines.

Repetitive actions

Some children repeatedly line up toys, flap their hands, or echo phrases without context.

Visit providers like Autism Detect for personal consultations focused on early signs, risk factors, and tailored support options.

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to Pre‑natal and Birth‑related Factors.

Beatrice Holloway, MSc

Author

Beatrice Holloway is a clinical psychologist with a Master’s in Clinical Psychology and a BS in Applied Psychology. She specialises in CBT, psychological testing, and applied behaviour therapy, working with children with autism spectrum disorder (ASD), developmental delays, and learning disabilities, as well as adults with bipolar disorder, schizophrenia, anxiety, OCD, and substance use disorders. Holloway creates personalised treatment plans to support emotional regulation, social skills, and academic progress in children, and delivers evidence-based therapy to improve mental health and well-being across all ages.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the author's privacy.

Dr. Rebecca Fernandez, MBBS

Reviewer

Dr. Rebecca Fernandez is a UK-trained physician with an MBBS and experience in general surgery, cardiology, internal medicine, gynecology, intensive care, and emergency medicine. She has managed critically ill patients, stabilised acute trauma cases, and provided comprehensive inpatient and outpatient care. In psychiatry, Dr. Fernandez has worked with psychotic, mood, anxiety, and substance use disorders, applying evidence-based approaches such as CBT, ACT, and mindfulness-based therapies. Her skills span patient assessment, treatment planning, and the integration of digital health solutions to support mental well-being.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the reviewer's privacy.