How do I know if my 1-2 month old baby is developing normally?

Infancy is a time when babies’ bodies and brains develop rapidly, with new developments occurring almost every day. The following is the development of 1-2 month old babies, parents can compare to see if their own baby’s development is at a normal level. 1.Normal 1-2 months old baby’s eyes are more flexible, in between feeding, he will open his eyes to look at his mother, if you talk to him, he will stop sucking as if he is listening to you. 2, supine position when he looks at you, you slowly move your head, he will turn his head to follow you, if you have to often to him to smile, most two months of the baby when you tease him, he will show a sweet smile, you talk to him he will make ah, oh sound, he will also use different sounds, expressions and cries to express his needs, such as hungry, want to sleep, lonely want you to hug, to poop, etc.. 3.Sometimes he will quietly listen to music for a while. 4.Baby will often eat their own little hands, will hold both hands together. Sometimes by chance he will look at his own hand, because he does not know that the hand is his own, may wonder what it is? 5. In the awakened state, his head and limbs will have natural movements, and his head can stand upright for 10 seconds or more when he is erect, and he will try to lift his head when he is in the prone position, sometimes up to 45 degrees. 1 month Gross motor: head will turn with the sound, jaw can leave the bed surface for a short time Fine motor: touch the palm of the hand, he will clench his fist Adaptive ability: eyes will follow the red ball across the center line (a little movement is enough), react to the sound Language: he can make small sounds by himself Social behavior: eyes will follow the walking person 2 months Gross motor: pull the wrist can sit up, head can be upright for 5 seconds Fine motor: head can be lifted off the bed surface when lying prone Adaptive skills: immediate attention to large toys Language: can make sounds such as “ah, oh” Social behavior: responds when teased