Baby

Your baby’s development

Newborn (0-1 Months)

• 1
  Week 1
• 2
  Week 2
• 3
  Week 3
• 4
  Week 4

Baby

• week 5
  week 5
• week 6
  week 6
• week 7
  week 7
• week 8
  week 8
• week 9
  week 9
• week 10
  week 10
• week 11
  week 11
• week 12
  week 12
• 3 1/2 months
  3 1/2 months
• 4 months
  4 months
• 4 1/2 months
  4 1/2 months
• 5 months
  5 months
• 5 1/2 months
  5 1/2 months
• 6 months
  6 months
• 6 1/2 months
  6 1/2 months
• 7 months
  7 months
• 7 1/2 months
  7 1/2 months
• 8 months
  8 months
• 8 1/2 months
  8 1/2 months
• 9 months
  9 months
• 9 1/2 months
  9 1/2 months
• 10 months
  10 months
• 10 1/2 months
  10 1/2 months
• 11 months
  11 months
• 11 1/2 months
  11 1/2 months

Toddler

Your toddler’s development

1 year old

• 1 year old
  1 year old
• 13 months
  13 months
• 14 months
  14 months
• 15 months
  15 months
• 16 months
  16 months
• 17 months
  17 months
• 18 months
  18 months
• 19 months
  19 months
• 20 months
  20 months
• 21 months
  21 months
• 22 months
  22 months
• 23 months
  23 months

2 years old

• 2 years
  2 years
• 25 months
  25 months
• 26 months
  26 months
• 27 months
  27 months
• 28 months
  28 months
• 29 months
  29 months
• 30 months
  30 months
• 31 months
  31 months
• 32 months
  32 months
• 33 months
  33 months
• 34 months
  34 months
• 35 months
  35 months

Kid & Teen

Your preschooler’s development

3 years old

• 3 years
  3 years
• 3 1/4 years
  3 1/4 years
• 3 1/2 years
  3 1/2 years
• 3 3/4 years
  3 3/4 years

4 years old

• 4 years
  4 years
• 4 1/4 years
  4 1/4 years
• 4 1/2 years
  Age 4 1/2
• 4 3/4 years
  4 3/4 years

5 years old

• 5 years
  5 years
• 5 1/4 years
  5 1/4 years
• 5 1/2 years
  5 1/2 years
• 5 3/4 years
  Age 5 3/4