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One Month
-Lifts head and turns it from one side to the other when placed on stomach.
-Focuses on objects from about ten inches to up to three feet away.
-Reacts to parent's voice. -
Two Months
-Makes sounds such as "ooh" and "aah".
-Watches objects moved about six inches away from face.
-Responds to more sounds and different pitches of voice. -
Three Months
-Opens and closes hands.
-Holds head steadily when held up.
-Lifts head and chest when on stomach.
-Swipes at objects.
-Brings hands together. -
Four Months
-Supports upper body on hands when lying on stomach.
-Shows preference for red and blue over yellow.
-May begin to use vowels and consonants in babbling, such as "ah ga".
-Grasps rattle.
-Puts hands in mouth.
-Rolls from tummy to back. -
Five Months
-Rocks on stomach while kicking legs and making swimming motions with arms.
-Reaches out and grabs toys.
-Turns head in direction of sound.
-Knows positive speech from unhappy speech. -
Six Months
-Passes a block from one hand to the other.
-Puts objects to mouth with hand.
-May begin creeping.
-Recognizes basic sounds of native language. -
Seven Months
-Rolls over both ways.
-Sits up steadily.
-Stands with assistance.
-Knows parents and caregivers by their voices and by sight.
-Can follow a path of moving objects with eyes.
-Babbles with strings of vowels and consonants such as "ba, ba, ba".
-Grabs for objects with raking motion. -
Eight Months
-Pulls self up to standing.
-Bangs blocks together.
-Propels self by arms, knees, or squirming motion.
-Looks at objects with sustained attention. -
Nine Months
-Uses index finger to poke.
-Puts objects in containers.
-Leans forward to pick up toy.
-Notices small objects.
-May start associating sounds with objects. -
Ten Months
-Crawls well.
-Can put objects in containers.
-Uses index finger to start pointing.
-Imitates new word sounds more frequently. -
Eleven Months
-Walks while holding ont furniture or crib rails for support.
-Uses gestures like shaking head for no.
-Releases objects intentionally.
-Grasps with thumb and forefinger. -
Twelve Months
-May walk a few steps alone.
-Stands alone for short time.
-Picks up small objects using thumb and forefinger.
-Puts objects into and takes them out of containers.
-Holds and drinks from cup.