Each baby has its own unique growth rhythm. Some babies can walk at the age of 6 months, while others have to wait until about 15 months before taking the first step. Some babies can answer questions as soon as they are 15 months old, while others have just begun to speak at this time. The individual difference of the baby’s development is very big, so it is not easy to judge whether the baby’s growth retardation must be treated. The following table roughly sorts out the key signs in the development process of most babies, and parents can check the table to see if the baby has reached the corresponding age index. Large muscle movements: large limb movements and Read More …