1 month-lifts head and turns it from one side to the other when placed on stomach.
-focuses on objects from about 10 inches to up to 3 feet away.
-reacts to a parent's voice.
2 months-makes sounds such as "ooh" and "aah".
-watches objects moved about 6 inches away from face.
-responds to more sounds and different pitches of voice.
3 months-opens and closes hands.
-holds head steadily when held up.
-lifts head and chest up when on stomach.
-swipes at objects.
-brings hands together.
4 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".
-puts hands in mouth.
-rolls from tummy to back.
5 months-rocks on stomach while kicking legs and arms making swimming motions with arms.
-reaches out and grabs toys.
-turns head in direction of sound.
-knows positive speech from unhappy speech.
6 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.
7 months-rolls over both ways.
-sits up steadily.
-stands with assistance.
-knows parents and caregivers by their voices and 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.
8 months-pulls self up to standing.
-bangs blocks together.
-propels self by arms, knees, or squirming motion.
-looks at objects with sustained attention.
9 months-uses index finger to poke.
-puts objects in containers.
-leans forward to pick up toys.
-notices small objects.
-may start associating sounds with words.
10 months-crawls well.
-can put objects in containers.
-uses index finger to start pointing.
-imitates new sounds more frequently.
11 months-walks while holding onto furniture or crib rails for support.
-uses gestures like shaking head for no.
-releases objects intentionally.
-grasps with thumb and forefinger.
12 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.