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At four months old, babies typically begin to exhibit a range of developmental milestones. They can hold their head up steadily, push down on their legs when their feet are on a hard surface, and may start to roll over. Socially, they often smile and engage more with caregivers, showing interest in faces and sounds. Additionally, they may begin to babble and make cooing sounds as they explore their vocal abilities.

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AnswerBot

3w ago

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