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USMLE - DevMilestone
USMLE - Developmental Milestones, First Aid
milestone | age |
---|---|
holds head up | 3 mo |
moro reflex disappears | 3 mo |
social smile | 3 mo |
rolls front to back | 4-5 mo |
sits when propped | 4-5 mo |
recognizes people | 4-5 mo |
sits alone | 7-9 mo |
crawls | 7-9 mo |
stranger anxiety | 7-9 mo |
orients to voice | 7-9 mo |
upgoing babinski disappears | 12-14 mo |
Walks | 15 mo |
says few words | 15 mo |
separation anxiety | 15 mo |
climbs stairs | 12-24 mo |
stacks 3 blocks | 12-24 mo |
object permanence | 12-24 mo |
stacks 6 blocks | 18-24 mo |
rapprochement | 18-24 mo |
parallel play | 24-48 mo; 2-4 yrs |
core gender identity | 24-36 mo; 2-3 yrs |
stacks 9 blocks | 30-36 mo; 2.5-3 yrs |
toilet training | 30-36 mo; 2.5-3 yrs |
rides tricycle | 36 mo; 3 yrs |
copies line/circle drawing | 36 mo; 3 yrs |
group play | 36 mo; 3 yrs |
simple drawings | 4 yrs |
hops on 1 foot | 4 yrs |
cooperative play | 4 yrs |
imaginary friends | 4 yrs |
grooms self | 4 yrs |
brushes teeth | 4 yrs |
reads | 6-11 yrs |
understands death | 6-11 yrs |
development of conscience (superego) | 6-11 yrs |
same sex friends | 6-11 yrs |
ID with same sex parent | 6-11 yrs |
girls puberty | 11 |
boys puberty | 13 |
what can children do at puberty | abstract reasoning (formal operations) |
formation of personality | puberty |