Infants usually interact with people gradually after two months, at this time, mothers and fathers should interact with their babies more often, and at the same time, observe various changes in their babies.
From 2 months after birth, babies can form the conditioned reflexes of vision, touch, hearing, smell, etc., and can better perceive changes in the external environment. But the newborn baby generally do not have the ability to interact with adults and the external environment, two months after the baby can gradually perceive the external light and sound, can gradually interact with adults.
When interacting, mothers and fathers can always observe the baby’s response to the mother’s response, but also can be deliberately guided to observe the baby’s smile and other actions and eye contact. Parents with any feeding problems are advised to consult the pediatrician to ensure the normal growth and development of the child.