Child Development

Child development is how a child grows and changes over time — physically, cognitively, emotionally, socially, linguistically. Each area has typical milestones; children vary in pace but follow broadly similar patterns. Catching developmental delay early opens the door to interventions that substantially change long-term outcomes.

Broad milestone markers (flexible — each child is individual)

• 2 months — smiles, follows faces, coos, lifts head briefly.
• 6 months — rolls both ways, babbles, reaches, sits with support.
• 9-12 months — sits unsupported, says mama/papa, stands with support, picks up food, responds to name.
• 12-18 months — walks, says a few words, points, feeds self with fingers.
• 2 years — two-word sentences, runs, scribbles, follows simple instructions.
• 3 years — toilet-trained by day, pedals a tricycle, speaks in sentences, plays imaginary games.
• 4-5 years — draws recognisable shapes, tells stories, follows school instructions.

Worrying signs at any age — see a Health Expert

• Loss of previously-acquired skills (regression).
• Not responding to name by 9 months; no eye contact; no babbling by 12 months.
• No walking by 18 months.
• No two-word phrases by 2 years.
• Very little interest in other children or sharing attention.
• Repetitive movements, intense narrow interests, sensitivity to sounds/textures beyond what's typical.
• Delay in one or several domains sustained over time.
• Early paediatric / paediatric neurology / developmental paediatrics review changes trajectories.

What helps development

• Responsive talking and play from birth — narrate daily life, sing, read, reply to coos.
• Exclusive breastfeeding 6 months; adequate protein, iron, iodine, vitamin D through early years.
• Movement and exploration — tummy time for infants, unstructured play, outdoor time.
• Reading aloud daily from infancy — in any language.
• Limit screens, especially under 2.
• Routines — sleep, meals, play — children feel safe with predictable rhythms.
• Address ear infections, vision, anaemia, thyroid early — all affect development.
• Early childhood education (anganwadi, playgroup) — social learning matters.

India-specific practical points

• Stunting and anaemia still affect large numbers of Indian children — even when not "obvious." Nutrition and early-childhood care through anganwadi / ICDS are major public-health investments; use them.
• District Early Intervention Centres (DEICs) under Rashtriya Bal Swasthya Karyakram offer free screening and early intervention in many states.
• Don't wait and see with significant delays — "boys speak late" is often the reason a treatable cause (hearing loss, autism, thyroid) is missed for years.