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What Are the Earliest Signs of Delayed Speech in Babies with Autism? 

Posted
Updated
ByMy Patient Advice
Author: Lucia Alvarez, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

Autism and delayed speech signs often emerge in the first year of life. Some babies may not babble, imitate sounds, or use gestures as expected, and these subtle differences can be early indicators of a developmental delay linked to autism. 

While not all delays mean autism, being aware of these early infant communication patterns helps parents seek support quickly. Delayed speech is often one of the first signs parents notice, but it’s usually part of a broader picture that includes social and behavioural cues. 

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Common Symptoms to Watch For 

Here are some typical early signs of delayed speech in babies with autism, along with ways they might be supported: 

Delayed babbling or limited vocalisations 

Most babies start babbling by 9 months. In babies showing early signs of autism, babbling may be minimal or repetitive. Speech therapy focused on sound play and imitation can help stimulate early speech pathways. 

Few gestures and non-verbal communication 

By their first birthday, most babies use gestures like waving or pointing. A lack of these cues can signal infant communication difficulties and developmental delay. Therapies that model gestures and encourage parent–child interaction can build non-verbal communication skills. 

Not responding to name or sharing attention 

Babies typically respond to their name by 9–12 months. A lack of response, or difficulty following someone’s gaze or pointing, could indicate reduced joint attention, a key social skill. Early interventions often include social games and predictable routines to encourage engagement. 

If you notice autism and delayed speech signs in your child, early action is key. Visit providers like Autism Detect for personal consultations tailored to your child’s needs. 

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to Delayed Speech or Language Development.

Lucia Alvarez, MSc
Author

Lucia Alvarez is a clinical psychologist with a Master’s in Clinical Psychology and extensive experience providing evidence-based therapy and psychological assessment to children, adolescents, and adults. Skilled in CBT, DBT, and other therapeutic interventions, she has worked in hospital, community, and residential care settings. Her expertise includes grief counseling, anxiety management, and resilience-building, with a strong focus on creating safe, supportive environments to improve 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 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. 

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