Physical Development
Experiences rapid progress in growth, weight gain, muscle development, and motor skills.
0-12 Months
Infancy
Your baby's first year is a special period full of rapid development, discovery, and many new experiences. We are here for you with expert advice and practical guides.
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What Happens in This Period?
Key milestones across your child's developmental areas — click an area to see related content.
Cognitive Development
Explores senses, increases learning capacity, begins to recognize surroundings.
Emotional Development
Develops trust, strengthens attachment, begins to express emotions.
Social Development
Smiles, responds to sounds, begins to communicate and form social bonds.
