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By this point your baby should recognize your face and respond to or be able to calm down to the sound of your voice. They should be able to lift their head up when they’re laying on their tummy and they should react when they see you or when you attempt to pick them up.

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At this point your baby should be able to signal to you that they are hungry (by crying or whining). They should be laughing and recognizing you. They should be able to hold their own bottle and they should be trying to grab at things.

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At this point your baby should be able to lift up themselves during tummy time. They should be making lots of noises and sounds. As a form of curiosity, they should be trying to grab at things and eat them or put them in their mouth. They should be able to recognize people that they see often.

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At this point your baby might be clingy or shy around new people. They should respond to their name and maybe even start to make sounds like Mamama or Dadada. He or she should be able to sit up on their own and hold up their arms to tell you they want to be picked up or held.

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By this point your baby should understand the word no and be able to say mama or dada. They should be able to find some thing that you have taken away to hide from them. They should be able to walk. They should also be able to grasp onto food and drink from a cup without a lid.