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Infant Milestones
Development milestones ages 1-12 months
Age | Activity |
---|---|
1 month | Activity primarily reflexive |
1 month | Starts turning head side to side |
1 month | Marked head lag |
1 month | Grasp reflex strong |
1 month | Vocalization includes cries to express displeasure and comfort sounds during feeding |
1 month | Watches parents' faces while they talk |
2 months | Posterior fontanel closes |
2 months | Less head lag than at 1 month |
2 months | Sits with head up, propped up with arms in front |
2 months | Hands open, grasp reflex fading |
2 months | Binocular fixation/ convergence begins |
2 months | Visually searches to locate sounds |
2 months | Crying begins to be differentiated |
2 months | Demonstrates social smile |
3 months | Primitive reflexes begin to fade |
3 months | Still bobs forward when sitting, but holds more erect position |
3 months | Can raise head and shoulders from prone position |
3 months | When held in standing position, able to bear slight weight on legs |
3 months | Regards own hand |
3 months | Actively holds rattle but will not reach for it |
3 months | Grasp reflex absent |
3 months | Clutches own hand |
3 months | Follows objects to periphery |
3 months | Squeals aloud to show pleasure |
3 months | Coos, babbles, chuckles |
3 months | Ceases crying when parent enters room |
3 months | Begins to recognize familiar faces and objects, such as bottles |
3 months | Shows awareness of strange situations |
4 months | Drooling begins |
4 months | Almost no head lag |
4 months | Balances head well in the sitting position |
4 months | Inspects and plays with own hands, begins to try to reach for objects |
4 months | Beginning hand-eye coordination |
4 months | Laughs aloud |
4 months | Demands attention by fussing |
4 months | Becomes bored if left alone |
4 months | Anticipates feeding when sees bottle or breast |
4 months | Shows excitement with whole body, squeals, breathes heavily |
4 months | Able to sit upright if propped up |
4 months | Rolls from back to side |
4 months | Begins to carry objects to mouth |
5 months | Beginning signs of tooth eruption |
5 months | No head lag |
5 months | Turns from stomach to back |
5 months | Able to grasp objects voluntarily |
5 months | Plays with toes |
5 months | Uses palmar grip |
5 months | Visually pursues a dropped object |
5 months | Can differentiate strangers from family |
6 months | Birth weight is doubled |
6 months | Height is 50% more than at birth |
6 months | Teething begins |
6 months | Lifts chest and upper abdomen off surface, bearing weight on hands |
6 months | Rolls from back to abdomen |
6 months | Holds bottle |
6 months | Grasps feet and pulls to mouth |
6 months | Recognizes parents; fears strangers |
6 months | Holds arms out to be picked up |
6 months | Begins to imitate |
6 months | Searches for a dropped object |
7 months | Bears full weight on feet |
7 months | Transfers objects from one hand to another |
7 months | Responds to own name |
6 months | "Talks" when others are talking- one syllable utterances |
7 months | Chained syllables such as baba, dada |
7 months | Plays peek-a-boo |
7 months | Oral aggressiveness in biting and mouthing |
8 months | Begins to show regular patterns in bladder and bowel elimination |
8 months | Sits readily unsupported |
8 months | May stand holding onto furniture |
8 months | Beginning pincer grasp |
8 months | Combines syllables like dada but does not attach meaning to them |
8 months | Increasing separation anxiety |
8 months | Respons to "no" |
9 months | Creeps on hands and knees |
9 months | Pulls self to standing position and stands holding onto furniture |
9 months | Crude pincer grasp |
9 months | Preference for dominant hand now prominent |
9 months | Comprehends "no no" |
9 months | Shows interest in pleasing parent, mother becomes more important |
9 months | Begins to show signs of fear of being left alone |
10 months | Changes from prone to sitting position |
10 months | While standing, lifts one foot to take a step |
10 months | Says dada and mama with meaning |
10 months | Waves bye-bye |
10 months | Develops object permanence |
10 months | Plays pat-a-cake |
10 months | Cries when scolded |
10 months | Follows pictures in a book |
11 months | Crusing begins |
11 months | Neat pincer grasp |
11 months | Drops object purposely for it to be picked up |
11 months | Reacts to restrictions with frustration |
11 months | Shakes head for no |
12 months | Birth weight tripled |
12 months | Head and chest circumference equal |
12 months | Anterior fontanel almost closed |
12 months | Walks with one hand held |
12 months | Early independent walking |
12 months | Attempts to build a two-block tower but fails |
12 months | Says three to five words |
12 months | Recognizes objects by name and imitates animals |
12 months | Understands simple verbal commands |
12 months | Shows emotions such as jealousy, affection, fear, anger |
12 months | Fearful in strange situations, clings to parent |
12 months | Increasing practice of locomotor skills |