Developmental milestones during first year of life
|
Age
(months)
|
Gross Motor
|
Fine Motor
|
Language
|
Social/cognitive
|
|
2
|
• Lifts head/chest in prone position
|
• Hands unfisted 50%
of the time
• Tracks past midline
|
• Alerts to voice/sound
• Coos
|
• Social smile
• Recognizes parents
|
|
4
|
• Sits with trunk support
Begins rolling
|
• Hands mostly open
• Reaches midline
|
· Laughs
· Turns to voice
|
· Enjoys looking around
|
|
6
|
• Sits momentarily propped on hands
(unsupported by 7 months)
|
• Transfers objects
hand to hand
• Raking grasp
|
• Responds to name
• Babbles
|
• Stranger anxiety
|
|
9
|
• Pulls to stand
• Cruises
|
• 3-finger pincer
grasp
• Holds bottle or cup
|
• Says “dada,” “mama”
|
• Waves “bye”
• Plays “pat-a- cake”
|
|
12
|
• Stands well
• Walks first steps independently
• Throws ball
|
• 2-finger pincer
grasp
|
· Says first words other
than “dada,” “mama”
|
· Separation anxiety
· Comes when called
|
Developmental milestones during toddlerhood
|
Age
|
Gross Motor
|
Fine Motor
|
Language
|
Social/cognitive
|
|
10 months
|
• Stands well
• Walks first steps
independently
• Throws a ball
|
• 2-finger pincer grasp
|
• Says first words (other
than “mama” & “dada”)
|
Separation anxiety
• Follows I-step
commands with gestures
|
|
18 months
|
• Runs
• Kicks a ball
|
• Builds a tower of 2-4
cubes
• Removes clothing
|
• 10- to 25-word vocabulary
• Identifies ≥ 1 body parts
|
• Understands “mine”
• Begins pretend play
|
|
2 years
|
• Walks up/down stairs with
both feet on each step
• Jumps
|
· Builds a tower of 6 cubes
· Copies a line
|
· Vocabulary 250 words
· 2-word phrases
|
• Follows 2-step
commands
• Parallel play
Begins toilet training
|
|
3 years
|
• Walks up/down stairs with alternating feet
• Rides tricycle
|
· Copies a circle
· Uses utensils
|
· 3-word sentences
· Speech 75% intelligible
|
• Knows age/gender
• Imaginative play
|
|
4 years
|
• Balances & hops on 1 foot
|
· Copies a cross
|
• Identifies colors
• Speech 100% intelligible
|
• Cooperative play
|
|
5 years
|
• Skips
• Catches ball with 2 hands
|
· Copies a square
· Ties shoelaces
· Dresses/bathes independently
· Prints letters
|
· Counts to 10
· 5-word sentences
|
• Has friends
• Completes toilet training
|
|
Age
|
Gross Motor
|
Fine Motor
|
Language
|
Social/cognitive
|
|
3 mo
|
Roll
|
—
|
Laugh
|
Smile
|
|
6 mo
|
Sit
|
Switches
|
Shmooze
|
Stranger
|
|
9 mo
|
Pull
|
Pincer
|
Papa
|
Play
|
|
12 mo
|
Two-legs
|
Track
|
Two-words
|
Two-of-us
|
Source: DirtyUSMLE
|
Sexual behavior in Preadolescents (<12 ys)
|
|
|
ⓝ
|
🆎
|
|
Toddler
• Exploring others’ genitals
• Masturbatory movements
• Undressing self or others
|
· Insertion of objects into
vagina or anus
· Sex play involving genital-genital, oral- genital, or anal-genital contact
· Use of force, threats, or bribes in sex play
· Age-inappropriate
sexual knowledge
|
|
School-age
interest in sex words &
play
Asking questions about sex
• Masturbatory movements
(may become more
sophisticated)
|
|
Fast HY Review 