Patient's question:
What are the specific characteristics of developmental delay?Doctor's answer:
Developmental delay in children, the most prominent symptom being developmental lag, such as delays in motor and cognitive development. This is particularly evident in gross motor skills, which are significantly delayed and require rehabilitation training, as well as the use of neurotrophic drugs.1. The child does not smile within 2 months after birth and does not laugh loudly by 4 months.
2. At 3 months, the infant exhibits irritability, excessive crying, poor appetite, and sleep difficulties. Additionally, there is no indication of standing or taking steps.
3. At 3 months, the infant clutches their fists and does not open them.
4. Between 4-5 months, the infant's head still sways unsteadily when they try to sit up.
5. By 5 months after birth, the child does not reach out to grasp objects.
6. The child does not achieve the milestones of rolling over at 3 months, sitting at 6 months, or crawling at 8 months.