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1. Hearing problems
Even mild or intermittent hearing loss (for example from frequent ear infections or fluid in the middle ear) & Congenital Hearing impairment can make it hard for a child to hear and copy speech sounds, leading to delayed talking Required BERA TEST & HEARING TEST for analysis.
2. Autism spectrum disorder (ASD)
Many children with autism have delayed speech or unusual language patterns, Repetitive Bizzare Behavior, Sensory issue ,because they may struggle with social interaction and communication.
3.Global developmental delay or intellectual disability
When a child has slower overall development, including learning capacity logical thinking, motor skills, and social skills, language often develops later as well.
4.Developmental language disorder (DLD)
This is when a child has typical non‑verbal skills but difficulty understanding or producing language (e.g., mixing up words or not being able to form sentences), even though there is no hearing or intellectual cause it may be due to some nutritional deficiencies & due to excessive Screen Time.
5. Oral–motor or speech‑production problems
Issues such as weak lips/tongue muscles, dysarthria, Drooling , tounge lateralization issue or verbal apraxia can make it hard for a child to form clear sounds or coordinate the movements needed for speech.
6.Environmental factors
play a significant role in delayed speech development in children, often interacting with biological and genetic influences. These factors primarily revolve around the quality and quantity of language input, social interactions, and the home environment during critical early years (birth to age 3), when speech skills rapidly form. Unlike medical causes like hearing loss, environmental ones are often modifiable through simple changes.key Contribution factors:-
- Limited language exposure
- Reduce caregiver Interaction
- Parental stress & education
- Excessive screentime
- Lack of Natural environment exposure
7.Emotional and psychological factors
Delay speech by affecting confidence and social engagement in children.
- Anxiety Reaction /selective mutism: Fear of judgment leads to silence despite understanding language.
- Emotional dysregulation: Tantrums/frustration reduce expressive practice.
- Childhood Trauma/neglect/abuse: Stress impairs brain areas for speech, slowing vocabulary.
- Parental overprotection: Limits risk-taking with new words.
- Low self-esteem: Embarrassment from errors causes withdrawal.
- Behavioral issues: Poor focus hinders language activities.
- Social stress: Intimidating environments promote mutism.
