1. Growth and development of a two-month-old baby. When the baby is two months old, the baby\’s weight and height will increase significantly. The average weight gain is 150-200 grams per week, and the length is about 1 cm. At this time, the baby\’s head circumference will also gradually increase. At the same time, the baby\’s vision and hearing are also developing, and he is beginning to be able to look at faces and objects, and respond to sounds. 2. Feeding methods for two-month-old babies When the baby is two months old, breast milk or formula milk is still the main feeding method. The amount of milk per feeding is generally 120-150