What are the symptoms of baby developmental delay?

There are several signs of delayed growth in your baby: The first one is physical retardation. There are these signs in this respect. When the baby is 2 months old, you hold him up. He has no way to raise his head. This is a sign. If the adults hold him up at 3 months old, these patients will also show that their legs are hard and their legs are crossed. When another baby is 4 months old, he will not actively stuff things in his mouth. When they are 5 months old, these patients will not sit. At 6 months, normal children will reach out and react faster, but these children's hand reaction is still very slow. When they sit at 7 months, their heads can be lifted by themselves, but these children's heads cannot be lifted by themselves when they sit. In addition, normal children will climb by themselves at 9 months, but these children with developmental delay will not climb by themselves at 9 months. In addition, normal children generally walk by themselves when they are 1 year old, but children with developmental delays will not walk, which is the content of physical retardation. Well, at the same time, these children will also show delayed language development, mainly manifested in these aspects. First, when the children reach 4 months old, they will not use sound to attract adults 'attention. If normal children will use their own voice to make sounds and then attract adults' attention, but these children will not. In addition, at 8 months old, these children will not understand. When adults call them, these children will not respond or respond. These are different from normal children. In addition, when this child reaches the age of one, normal children can understand the simple language words spoken by adults, he can understand them, but these children with developmental delay cannot understand them. When parents communicate with him, he cannot understand simple language. In addition, normal children will normally speak at the age of 2 and communicate with adults in simple language, but children with developmental delays cannot communicate with parents in language at the age of 2, mainly in these aspects.