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Understanding Paediatric Speech & Language Disorders

Screening for Speech and Language Delay in Preschool Children: Key Insights from a Systematic Review

January 6, 2025

4 minutes

Words by
Lauren Crumlish smiles in front of a wall with hexagonal shelves containing various small items and stuffed animals.
Lauren Crumlish

Have You Ever Wondered When “Mum” and “Dad” Should Become Fluent Sentences?

As a paediatric speech pathologist, I often see parents worry about why their child is not meeting usual language milestones: Are they a late talker or is there something more? Ensuring that no child slips through the cracks is a universal concern—one that demands evidence-based screening tools. Yet, findings from an influential systematic review (Nelson et al., 2006) suggest that speech and language screening remains a nuanced challenge, with many unanswered questions around optimal processes and best-practice guidelines.

Why Does Early Screening for Speech and Language Delay Matter?

Addressing speech and language issues at the preschool level can significantly alter a child’s developmental pathway. Language skills form the basis for later academic success, interpersonal relationships, and overall self-esteem. The earlier we can detect potential areas of concern, the sooner we can intervene. According to Nelson et al. (2006), such detection can equip parents and carers with targeted strategies and help ensure that children receive timely specialist support—yet the tools and protocols used to identify delays are still inconsistent.

What Did the Review Reveal About Risk Factors?

One of the standout elements of Nelson and colleagues’ review is the variability of risk factors associated with speech and language delay. Despite the absence of a definitive guideline for selective screening, certain concerns consistently emerged:

Potential Risk FactorEvidence from Review
Family history of speech delayFrequently reported and thus strongly implicated
Male genderMildly more prevalent in studies surveyed
Perinatal complicationsIdentified in a handful of studies but varied in impact
Socioeconomic or educational gapsMixed results; lacked consistent measurement parameters

For paediatric speech pathologists, this reaffirms the importance of personalised evaluations rather than a one-size-fits-all checklist. Parents and carers should be aware of family histories in particular, and health professionals can use such information to advocate for closer observation during routine developmental checks.

How Effective Are Current Screening Methods?

The review’s authors point out an array of screening instruments, each with varying degrees of reliability. Some measures reported sensitivity scores as low as 17% and as high as 100%, indicating that a large number of traditional tools are either too broad or too narrow in their detection criteria. This is problematic for real-world practice, since parents and carers rely on screening to provide clear next-step recommendations. The lack of a “gold standard” leaves professionals to juggle multiple tools, cross-check findings, and sometimes miss opportunities for early detection.

In Australia’s current context (circa 2025), the importance of valid screening measures is further accentuated by the rising adoption of telehealth approaches. As mobile and remote services gain traction, practitioners must tailor these tools to suit digital platforms. Collaboration between paediatric speech pathologists, general practitioners, and childcare educators can help refine ongoing surveillance, thus minimising false positives and negatives.

How Can These Findings Help Parents and Professionals?

From a clinical standpoint, the review validates the importance of ongoing vigilance. Parents might notice subtle changes, like reduced babbling in infancy or persistent difficulties formulating short sentences. Carers play a similarly vital role in structured environments like day-care or kindergarten. Meanwhile, fellow speech pathologists can use these findings to advocate for more robust, standardised screening instruments. By unifying practice guidelines, the paediatric community can better compare outcomes, aim for consistent screening intervals, and share intervention successes across clinics and settings.

Towards Consistent and Effective Early Screening

In summary, Nelson et al.’s (2006) review highlights how essential it is to detect speech and language delays early while acknowledging the trial-and-error nature of current screening options. For parents and carers, noting risk factors such as developmental history and persistently unclear speech can facilitate timely conversations with health professionals. As more evidence-based research emerges, the clarity around screening methods and intervals will hopefully improve—leading to more effective, personalised interventions.

If you or your child need support or have questions, please contact us at Speech Clinic.

Is there a single, best tool to screen my child?

Recent evidence points to the fact that no single ‘gold standard’ exists. Health professionals often use a combination of tools for a well-rounded perspective.

When should I first worry about my child’s speech milestones?

Generally, frequent check-ins with a paediatrician or speech pathologist from 12–18 months onwards can help track language progress, though each child may develop at a slightly different pace.

How do I know if it’s truly a delay versus a slower but normal progression?

Collaboration with professionals is key. A thorough, comprehensive assessment, helps differentiate between normal variations and clinical delays.

Will online or telehealth screenings be accurate enough?

Telehealth can be effective, especially when professionals use validated tools. Ensuring clear communication between family members, carers, and health practitioners is essential for an accurate assessment.

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