KEY MILESTONES OF INFANT DEVELOPMENT
(0 TO 3 MONTHS)
SOCIAL & EMOTIONAL
Begin to develop a social smile.
Enjoy playing with other people and may cry when playing stops.
Become more communicative and expressive with face and body.
Imitate some movements and facial expressions.
VOCALIZATION
Sucks and swallows well during feeding.
Quiets or smiles in response to sound or voice.
Coos and cries.
Turns head towards sound or voice.
SENSORY & MOTOR
Raise their head and chest when on their tummy.
Track objects with their eyesand gradually decrease eye crossing.
Open and shut their hands and bring hands to their mouth.
Grip objects in their hands and reach out for dangling objects.
COGNITIVE
Visually tracks a moving toy from side to side.
Attempts to reach for a toy held above their chest.
Keeps head centered to watch faces or toys.
Take swipes at or reach for dangling objects, tbut usually won’t be able to get them yet.