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Global developmental delay is an umbrella term used when children are significantly delayed in two or more areas of development. It can be diagnosed when a child is delayed in one or more milestones, categorised into motor skills, speech, cognitive skills, and social and emotional development. [1]
Developmental delay is prevalent in approximately 1-3% of children under the age of 5 worldwide. [5] According to a systematic analysis done for a conducted study in 2016, there are approximately 52.9 million children worldwide under the age of 5 that are affected by some type of developmental delay or delayed milestone.
“Developmental milestones are important to parents because they are a baby or child’s 'first time' doing something and an indicator that one’s child is developing normally,” says Dr ...
Developmental disabilities can be detected early on and persist throughout an individual's lifespan. Developmental disability that affects all areas of a child's development is sometimes referred to as global developmental delay. [2] The most common developmental disabilities are:
Constitutional growth delay is when the child's delayed puberty causes a delay in growth which will eventually catch up after puberty begins. [3] Measuring the bone age of the child after 3 years of age can be used to distinguish a normal from a pathological cause. [3]
Language delay is usually more severe than other developmental delays in intellectually disabled children, and it is usually the first obvious symptom of intellectual disability. Intellectual disability causes global language delay, including delayed auditory comprehension and delayed use of gestures.
Every child is unique, growing and developing at his or her own rate. Differences between children of the same age are usually nothing to worry about. However, for one child in 10, the differences can be related to a developmental delay. The sooner these delays are identified, the quicker children may be able to catch up to their peers.
The onset of pervasive developmental disorders occurs during infancy, but the condition is usually not identified until the child is around three years old. Parents may begin to question the health of their child when developmental milestones are not met, including age appropriate motor movement and speech production. [5]