1. The importance of infant growth and development Infant growth and development is one of the fastest and most critical stages in the human life cycle. During this period, the baby\’s body and brain are developing rapidly, which has a vital impact on future adult health. Therefore, parents need to pay attention to their baby\’s growth and development and take appropriate measures to promote their healthy growth. 2. Growth in height and weight After a newborn is born, his height and weight will increase rapidly. In the first month after birth, babies usually gain about 600 grams in weight and about 2.5 centimeters in height. Over the next few months, this