Can a baby of one or two months be held upright? ——Understanding the baby\’s physiological development Before answering this question, we need to understand the physiological development of the two-month-old baby. Typically, babies as young as two months old can already hold their heads up and sit briefly, but they have not yet fully mastered their head and neck abilities. Therefore, at this time, it is best not to hold the baby upright. 2. Why can’t you hug me vertically? ——Understand the impact of vertical holding on babies. Since the cervical spine of a 2-month-old baby is not fully developed, the weight of the head accounts for