The first year of your baby's life is the most concentrated period of development in the entire human lifespan. From a helpless newborn to a walking, communicating, opinionated little person in 12 months — the transformation is extraordinary. Here is what to expect month by month.
Month 1: The Newborn Period
Your newborn sleeps 14 to 17 hours a day, wakes to feed every 2 to 3 hours, and communicates entirely through crying. Physically, they can lift their head briefly during tummy time and will grasp your finger if you place it in their palm. They prefer faces to objects and can already recognise their mother's voice from hearing it in the womb. Growth: typically regains birth weight by 10 to 14 days and then gains 150 to 200g per week.
Months 2 to 3: The Social Smile and Communication
The social smile — the smile in direct response to your face — appears around 6 to 8 weeks and transforms the early parenting experience. Your baby begins cooing and making vowel sounds, responds to your voice and face, follows moving objects with their eyes, and holds their head steadily. Sleep consolidates slightly — longer stretches begin to emerge.
Months 4 to 5: Rolling and Reaching
Your baby rolls from tummy to back and begins reaching for objects with purpose. They laugh, squeal with delight, and recognize familiar faces. The 4-month sleep regression typically occurs here. Solid foods are not yet appropriate — breast milk or formula remains the sole nutrition.
Months 6 to 7: Sitting and Solids
Most babies can sit with support by 6 months and independently by 7 to 8 months. Solid food introduction begins. Babbling with consonants begins (babababa, mamama). Stranger anxiety may begin — your previously friendly baby may cry when held by unfamiliar people.
Months 8 to 9: Crawling and Object Permanence
Most babies crawl between 7 and 10 months (some skip crawling entirely and walk). Object permanence develops — your baby now understands that objects exist even when hidden, leading to excellent peekaboo engagement and beginning separation anxiety. Pincer grip develops, enabling picking up of small objects.
Months 10 to 12: Standing, Cruising, First Words
Your baby pulls to stand, cruises along furniture, and may take first steps anywhere between 9 and 15 months. First words with meaning appear — usually mama, dada, no, more, and words for familiar objects. Points at objects of interest. Waves bye-bye. Claps. By 12 months, cow's milk can be introduced as a drink and most family foods are appropriate.