Infants typically double their birth weight by about 4-6 months and triple it by about 12 months. Why are these milestones important for motor development?

Infants typically double their birth weight by about 4-6 months and triple it by about 12 months. Why are these milestones important for motor development?

• A. Double birth weight around 1-2 months; triple around 3-4 months; These milestones predict readiness for potty training.
• B. Double around 4-6 months; triple around 12 months; These reflect healthy growth enabling milestones like sitting, crawling, and walking.
• C. Double around 8-9 months; triple around 18 months; They signal appetite changes.
• D. Double around 6-9 months; triple around 24 months; They indicate language development.

Answer: (B)