What are the risk factors for ADHD in preterm infants?

PostedAugust 20, 2025

UpdatedSeptember 4, 2025

ByMy Patient Advice

Author: Avery Lombardi, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

The ADHD risk preterm infants face is notably higher than that of full-term babies. Premature birth can interfere with vital stages of brain development, particularly those that shape attention, impulse control, and emotional regulation.

The likelihood of ADHD increases the earlier a baby is born, especially among preemies delivered 32 weeks before. This is due to a combination of biological immaturity and external challenges, such as extended stays at hospital or medical interventions. Understanding the ADHD risk preterm infants experience helps families and clinicians focus on risk factors that may influence behaviour and cognitive development as the child grows.

Multiple studies now show that ADHD likelihood is elevated in children born prematurely, often due to overlapping influences rather than a single cause.

Key Risk Factors to Monitor in Preterm Infants

Being aware of certain patterns and experiences early on can help support early intervention. Below are common risk factors linked to ADHD in preemies:

Low birth weight and gestational age

The more premature the infant, the greater the risk. Extremely low birth weight babies are particularly vulnerable to developmental delays.

Medical complications

Conditions like brain bleeds, respiratory problems, or infections shortly after birth can disrupt brain function.

Stressful early environments

Lengthy hospital stays, limited physical contact, or sensory overstimulation can influence emotional development and increase ADHD likelihood.

Understanding and tracking these influences can lead to more informed care decisions.

Visit providers like ADHD Certify for personal consultations and developmental guidance tailored to your child.

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to premature birth or low birth weight.

Avery Lombardi, MSc

Author

Avery Lombardi is a clinical psychologist with a Master’s in Clinical Psychology and a Bachelor’s in Psychology. She has professional experience in psychological assessment, evidence-based therapy, and research, working with both child and adult populations. Avery has provided clinical services in hospital, educational, and community settings, delivering interventions such as CBT, DBT, and tailored treatment plans for conditions including anxiety, depression, and developmental disorders. She has also contributed to research on self-stigma, self-esteem, and medication adherence in psychotic patients, and has created educational content on ADHD, treatment options, and daily coping strategies.

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.