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Child Development

1 to 3 Months
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3 to 5 Years
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One to Three Months

One to Three Months

There are many milestones in an infant’s physical, emotional and learning development during the first three months of life. Each baby is individual, and developmental milestones should not be compared. Babies can reach milestones early or late.

Physical Milestones of a One to Three Month Old Infant

  • Infants will learn to turn their heads to preferred positions when lying on their stomachs or backs.
  • Infants will be able to hold their chins up when lying on their stomach. By three months most infants will be able to raise their heads and chests off the floor when lying on their stomachs.
  • Infants will learn to roll from side to side by three months.
  • Infants will learn to reach out and swipe at objects that are within their field of view.
  • Infants will start producing tears when they cry.

Learning Milestones of a One to Three Month Old Infant

  • Infants in this age group can readily identify the voices of their caregivers and other family members. They will turn to these voices over other voices they hear.
  • Infants prefer to look at faces over objects, and they become more animated and excited with familiar faces.
  • Infants in this age group will turn their heads to search for a sound they hear in their environment.

Emotional Milestones of a One to Three Month Old Infant

  • Infants come to trust that their needs for nutrition, comfort and closeness will be met.
  • Infants self soothe themselves with sucking.
  • Infants will smile at faces, with special smiles given to those he or she loves.
  • Infants in this age group will start to display their moods through their facial expressions and cries.
  • Infants in this age group will learn to mimic the expressions or facial movements of others. They will also respond to being talked to by excited movements, sounds or facial expressions.

When to Contact the Pediatrician

Contact your child’s pediatrician if your child is showing any of the following signs or conditions:

  • The baby is not responding to sounds or movements.
  • The baby is unable to lift their head when lying on their stomach and he or she is older than three weeks of age.
  • The baby seems to be listless or unenergetic.
  • The baby refuses to feed.

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