Normal Developmental Milestones Robin K Blitz, MD Motor Milestones Gross Motor 1 month 2 months Head up, Prone to chin Head up, Prone to chest 3 months Head up, Props to forearm 4 months Head up, props to wrist; roll prone to supine 5 months 6 months 7 months 8 months 9 months 10 months 11 months 12 months 13 months 15 months 16 months Roll supine to prone; sits supported (tripod) Sits alone Creep (combat crawl) Come to sit; quadruped crawl; pull to stand Cruise 18 months 20 months 21 months 24 months 30 months 36 months Stand alone; walk with one hand held Walk alone Climbs stair on hand and knees Gets into standing without support Walk upstairs with help, marking time Beginning to jump; throws ball; seats self in chair Walks carrying large objects or pushing toy; runs stiffly; climbs Walks upstairs alone, marking time; creeps down backwards; squats Walks up and down stairs alone, marking time; walks backwards; runs; kicks ball Jumps w/both feet; walks on tiptoes; picks up object Upstairs alternating feet; downstairs marking time; gallops; tricycle; jumps from bottom step with feet together; stands on one foot for seconds Fine Motor Hands mostly fisted; grasp reflex Hands 50% open Hands 75% open; grasp reflex gone; voluntary grasp 100% un-fisted; manipulates fingers; holds toy > 15 seconds Pulls down ring; transfers; reaches for toy Obtains cube; lifts cup; radial rake Attempts pellet; pulls out peg; finger feeds Pulls ring by string; secure pellet 3 finger grasp; bangs toys together Fingers pegboard; pincer grasp Mature pincer; takes covers off of boxes Release cube; crayon mark Scribbles in imitation Scribbles spontaneously Three cube tower; uses spoon well Unscrews lid; turns doorknobs; turns pages in book; strings large beads Holds pencil in hand instead of fist; horizontal and vertical stroke with pencil Closes fist and wiggles thumb; folds paper along dotted line; good wrist rotation; snips with scissors; copies circle; imitates cross ©2013RobinKBlitz Normal Developmental Milestones Robin K Blitz, MD Language Milestones Receptive 1 month 2 months 3 months 4 months 5 months 6 months 7 months 8 months 9 months 10 months 11 months 12 months 14 months 16 months 18 months 21 months 24 months 30 months 36 months Alters to sound Orients to voice Orients to bell laterally Expressive Range of cries Social smile Coos Laughs aloud “ah-goo” razzes babbles Orients up/indirect “dada”, “mama” inappropriately Orients up/direct, Bye, peek-a-boo, pat-a-cake, Understands No 1-step command w/ gesture 1-step command w/o gesture Body parts; points to 1 picture Points to 2 pictures 2-step command Concept of 1; points to 7 pictures 2 prepositional commands “dada”, “mama” appropriately 1 other word 2 word vocabulary 3 word vocabulary; imitation; jargon 4-6 work vocabulary 7-10 words; mature jargon 20 words; 2 word phrases 50 words; pronouns inappropriate Pronouns appropriate 250 words; 3 digits; tells age, sex, full name Self-Help/Self-Awareness Milestones Birth 3 months 4 months 5 months 6 months 7 months 8 months 9 months 10 months 12 months 15 months 18 months 24 months 30 months 36 months Sucks and swallows liquids; roots Pulls at clothing; gazes at own hand Plays with own hands; comforts self by thumb-sucking or finding pacifier; may eat food from spoon Holds onto side of tub; plays with own foot; objects to mouth; holds objects voluntarily Splashes in tub; closes eyes to washcloth; drinks from cup when held to lips; holds bottle Discovers genitals; feeds self biscuit; chews Chews small lumps Removes bottle and replaces it Finger feeds meal Holds cup; cooperates in dressing Takes shoes off; chews table food; uses spoon, may rotate near mouth Spoon and cup well; takes off socks, unzips; identifies body parts; pull on simple garments; pulls up pants; opens doors; pulls out drawers; indicates wet pants; may awaken at night with wet diaper Helps in dressing; washes hands and face; refers to self by name; puts on and takes off shoes and socks; requests food when hungry Refers to self with pronoun; undresses completely; puts on shirt and coat; brushes hair; may be toilet trained Unbuttons; chooses clothes; uses fork; spreads butter on bread with knife; toilet trained; tells full name; knows sex ©2013RobinKBlitz Normal Developmental Milestones Robin K Blitz, MD Visual Milestones 1 month 2 months 3 months 4 months 5 months 7 months 8 months 9 months Fixes on red ring Follows horizontally and vertically Follows ring in circle Regards hand; immediately attends to dangling object Regards pellet; smiles at mirror image Pats own image in mirror Watches intently movements of own hand in mirror Looks over edge for toy Hearing Milestones 1 month 2 months 4 months 5 months 7 months 9 months 10 months 11 months 15 months 18 months 24 months Alerts to sounds Accepts loud sound as part of environment; does not reach violently Orients to voice Orients to bell laterally Orients to bell upwardly and indirectly Orients to bell upwardly and directly Understands No Imitation indicates s/he can hear sounds and match them with his/her own sound production Investigates sound Swings rhythmically in response to music Responds to sound patterns; can distinguish sounds that are different and begins to guess their source Psychological Milestones 1 month 2-3 months 4 months 6 months 8 months 10 months 15 months 18 months 24 months 30 months 36 months Smiles at mother in response to overtures Recognize parents Smiles at any smiling adult Smiles and vocalizes at mirror image; may show fear of strangers; actively clings to familiar person Responds to name; fear of strangers Repeats performance laughed at; waves bye-bye; separation anxiety; plays social games: peek-a-boo; expresses several clearly recognizable emotions Claim possessions and make distinctions between “yours” and “mine”; separation protest diminishes; hugs parents May be negativistic, but is also loving; seeks affection Uses language to communicate with others; parallel play; smiles when praised; hangs head when reprimanded; temper tantrums; imitates adult activities Traditional objects; pride in ability to accomplish tasks (“do it myself mommy”); knows family members well Begin make-believe; words to express feelings; cooperative play; delayed gratification; shows sympathy; may show jealousy; accepts explanations; likes to show-off ©2013RobinKBlitz Normal Developmental Milestones Robin K Blitz, MD Cognition, Play and Language Piagetian Stage Age I Birth- 1 mo. II III IV V VI 1 to 4 mo. 4 to 8 mo. Object Permanence Shifting images Stares at spot from which object disappeared (looks at hand after yard drops) Visually follows dropped object through vertical trajectory (tracks dropped yarn to the floor) Finds an object after watching it hidden 18-24 mo. Play Generalization of reflexes Primary circular reactions (thumb-sucking) Receptive Language Expressive Language Turns to voice Range of cries (hunger, pain) Cooing Vocal contagion Searches for speaker with eyes Secondary circular reactions: recreates accidentally discovered environmental effects (kicks mattress to shake mobile) Coordination of secondary circular reactions Same behavior repertoire for all objects (bangs, shakes, puts in mouth, drops) Responds to own name and to tones of voice Babbling Four distinct syllables Visual motor inspection of objects (peek-a-boo) First real word “Jargoning” Symbolic gestures (shakes head “no”) Recovers hidden object after multiple visible changes of position Tertiary circular reactions (deliberately varies behavior to create novel effects) Recovers hidden object after invisible changes in position Spontaneously uses non-direct causal mechanisms (uses key to move wind-up toy) Awareness of social function of objects Symbolic play centered on own body (drinks from toy cup) Symbolic play directed toward doll (gives doll a drink) Listens selectively to familiar words, responds to “no” and other verbal requests Can bring familiar object from another room Points to parts of body Follows series of 2 or 3 commands Pointes to pictures when names Telegraphic twoword sentences 9-12 mo. 12-18 mo. Causality Many single words- uses words to express needs Acquires 10 words by 18 mo. ©2013RobinKBlitz
© Copyright 2026 Paperzz