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Infant Milestones (cont.)

Age 1-3 Months

Between 1-3 months of age, babies begin the transformation from being a totally dependent newborn to becoming an active and responsive infant. Many of the newborn reflexes are lost by this age. At this age, a baby's vision changes dramatically; he becomes more aware and interested in his/her surroundings. A baby might follow a moving object, recognize familiar things and people at a distance, and start using his/her hands and eyes in coordination. At this age, babies usually turn toward familiar voices and smile at their parent's faces or other familiar faces. They also begin to coo (make musical vowel sounds, such as ooo or aaa).

The neck muscles become stronger during these first few months. At first, babies can only hold their heads up for a couple of seconds while on their stomachs. The muscles are strengthened each time the head is held up. By 3 months of age, babies lying on their stomachs can support their heads and chests up to their forearms.

Arm and hand movement develops fast during this stage. What was once a tight, clenched fist is now an open hand grabbing and batting at objects. Babies explore their hands by bringing them in front of their face and putting them in their mouths.

By the end of this period, most babies have reached the following milestones:

Motor Skills

  • Supports head and upper body when on stomach
  • Stretches out legs and kick when on stomach or back
  • Opens and shut hands
  • Brings hands to mouth
  • Grabs and shakes hand toys
  • Swipes and bats at dangling objects
  • Pushes down legs when on a flat surface
  • Follows moving objects

Language Skills

  • Makes cooing sounds

Social/Emotional Skills

  • Smiles at familiar faces
  • Enjoys playing with other people
Medically Reviewed by a Doctor on 7/18/2014

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