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0-6 months weight
Gain 1/2 to 1 ox per day
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6-12 months
Gain 1/2 oz per day
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Length 0-6 months
1 inch/month
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Length 6-12 months
1/2 inch/month
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Head circumferences 0-6 months
1/2 inch/month
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Head circumference 6-12 months
1/4 inch/month
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Growth 2-12 years
Average of 2 inches per year
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2 week old capabilities
- Vision-gaze at bright objects track 40-45 degrees
- Hearing-Responds to sounds with reflexive behavior (startle)
- Gross motor-Symmetrical movements, can lift head when prone, strong reflexes-grasp, asymmetric tonic neck, sucking, rooting
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2 week old capabilities (fine motor, vocalization, social)
- Fine motor-hands in closed position, will grasp if placed in hand
- Vocalization-Strong cry, throaty feeding sounds
- Socialization-watches face intently
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2 week reflexes
Palmar, plantar grasp
Stepping reflex
Rooting reflex
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2 month old (vision, hearing, gross)
- Vision-can track 90 degrees, watch parent intently
- Hearing-turn toward sound
- Gross motor-Flexed position when prone, lift head 45 degrees, hold head upright momentarily, hands fisted
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2 month old (fine, vocal, social)
- Fine motor-grasp reflex lessens-peel fingers off
- Vocalization-crying differentiated, coo to familiar voices
- Socialization-social smile
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2 month old reflexes
- Fencing/asymmetrical posture
- tonic neck
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4 month old (vision, hearing, vocalization)
- Vision-180 degree peripheral vision, binocular vision, eyes converge to near object, doll's eye reflex disappear
- Hearing-turn toward sound
- Vocal-Laugh, consonant sounds: n, k, g, p, b
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4 month old-physical reflex (when disappear)
- Moro-disappear at 4 months
- Tonic neck-disappears 4-6 month
- Stepping disappear-3-4 months
- Rooting disappear- 3-4 months except during sleep
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4 month (Gross, Fine)
- Gross motor-no head lage when pulled to sitting, balance head well when sitting, rolls front to back, back to side, rais head and chest 90 degrees
- Fine motor-hands midline; inspects hands, grasp with both hands, carries objects to mouth, reaches for objects but overshoots
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4 month-social
Socialization-excitement with whole body, anticipates feedings when see bottle/breast, show interest in new stimuli, enjoy social interaction and demands by fussing
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Infant reflex
- Moro-sensation being dropped hands go out-hands in over chest to calm
- Tonic neck-(fencing)
- Grasp
- Step
- Crawl
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Developmental red flags 3 months
- Hearing-No reaction to sudden or loud noises; doesn't appear to listen to speaker voice; doesn't find speaker voice
- Muscle tone-doesn't raise head when lying on stomach
- Neglect-left to lie in crib for long periods of time without visual or auditory stimulation
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Developmental red flags 6 months
- doesn't turn to person speaking
- Doesn't respond with being played with
- Not visually alert
- Never laughs or smiles
- No babbling
- Doesn't reach for toy
- Doesn't lift head/arch back when prone
- Rigid body movements (hypertonia)
- Not gaining weight (neglect?)
- No signs of attachment-unresponsive to mom or dad
- Overprotection-little stimulation or encouragement for exploring
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Developmental red flags 9 months
- Caregivers unrealistic expectations of infant ability to control behavior
- Dissatisfaction with infant's begining independence
- Temperamental variability-too good or too irritable
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6 month development (vision, hearing, vocal)
- Vision-studies hand, recognizes bottle, visual accomodation-can reach and grasp
- Hearing-locates objects side to side and up and down (test-ring bell above head)
- Vocalization-imitates sounds-does raspberry; babbles single syllables (ma, da, hi)-vocalizes to toys during day
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6 month development (gross)
- Gross motor
- lift chest and upper abdomen off table-pushes up on arms
- Sits in high chair
- Lifts head with no head lag; anticipates lift
- Rolls back to front
- Bears weight when held upright
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6 month fine motor
- develops eye hand coordination
- transfers objects hand to hand
- drops block when handed another
- holds bottle
- index finger extends, rest of hand flexed
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6 month social
- recognize parent, begins fear of strangers
- Holds out arms to be picked up
- Briefly searches for lost object
- Frequent mood swings
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9 month (vision, hear)
- Vision-increased eye hand coordination, changes posture to see something, prefers yellow and red, can discriminate between simple geometric shapes
- Hear-turn head to locate sounds, respond to own name
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9 month vocal
- combine syllables (mama, baba)-doesn't know meaning
- Responds to simple verbal commands
- Comprehends no-no and bye-bye
- Babbles and immitate sounds
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How old average baby sits up
6.5 months
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9 month physical
- parachute reflex appearing
- 3 or more teeth
- more regular bowel and bladder habits
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