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Difficulty: EasyNormal Growth and Development

A couple brings their healthy 36-month-old son for a routine wellness visit. The parents note that he enjoys riding his tricycle and frequently engages in imaginative make-believe play with his toys. During the interview, the boy speaks in three-word sentences and is easily understood by the physician. When handed a piece of paper and a crayon, he successfully copies a circle. However, the parents express significant worry because he is completely unable to copy a cross or draw a square, despite their attempts to teach him at home. The remainder of his physical examination is unremarkable. Which of the following is the most appropriate next step in management?

  1. Reassure the parents that the child's development is appropriate for his ageAnswer
  2. B
    Recommend occupational therapy for fine motor delay
  3. C
    Refer for a comprehensive neurodevelopmental evaluation
  4. D
    Suggest daily targeted fine motor exercises to correct the delay
  5. E
    Perform genetic screening for a possible syndromic etiology

Answer

Reassure the parents that the child's development is appropriate for his age
The correct action is to provide reassurance. At 3 years (36 months) of age, normal developmental milestones include riding a tricycle, speaking in three-word sentences, engaging in imaginative play, and copying a circle. The parents' concern stems from the child's inability to copy a cross or a square. However, copying a cross is typically achieved at 4 years of age, and copying a square is achieved between 4 and 5 years. Therefore, this child is developing normally and demonstrating the exact skills expected for a 3-year-old. No further medical intervention, therapy, or testing is required.

Step-by-Step Solution

1
Assess the child's currently achieved milestones based on the clinical history.
The child rides a tricycle (gross motor), speaks in 3-word sentences (language), engages in imaginative play (social), and copies a circle (fine motor).
Establishing the current developmental baseline is necessary to determine if the child is on track for his age of 36 months.
2
Evaluate the specific parental concern (inability to draw a cross or square) against normative developmental timelines.
Copying a cross is a milestone expected at age 4, and copying a square is expected at age 4 to 5.
Matching the parents' concern to normal age thresholds determines whether their worry represents a true delay or a misunderstanding of normal development.
3
Determine the appropriate clinical intervention.
Since the child is meeting all 3-year milestones and simply has not yet reached 4-year milestones, the appropriate action is reassurance.
Unnecessary testing or therapies should be avoided when a patient demonstrates normal physiologic development.

Key Concept

Normal 3-year-old developmental milestones
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Topics

Normal Growth and Development

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