Ages one to three change quickly, but development is not a race. Watch the child's own trajectory, make home and city life safer, and seek assessment when something worries you. A short record is more useful than hundreds of comparison videos.
Key takeaways
- 01
Development changes and concerns
- 02
Hearing, vision, and dental plan
- 03
Shared safe food-shape rules
1. Track development as a trajectory
Watch movement, hand use, communication, play, problem solving, and social interaction. Age milestones start a conversation; they are not diagnoses. If a child loses a skill, responds little to sound or caregivers, or you remain worried about movement, language, or behaviour, arrange assessment rather than waiting indefinitely.
- Record new skills and any lost skills
- Include hearing review when language is delayed
- Bring short videos without filming unsafe moments
2. Family food in safe shapes
Offer family foods with less salt and sugar, cook until soft, adapt shapes to chewing skills, and have the child sit while eating. Take special care with whole round fruit, nuts, bones, hard sweets, chewy jelly, coin-shaped sausage, and tough meat. Caregivers need one preparation rule because incidents often happen during schedule changes or eating while moving.
3. Plan for fever and injury
Keep the latest weight, clinician-approved medicines, a working thermometer, and a paediatric contact. During illness, watch breathing, alertness, drinking, urination, rash, and pain rather than one temperature number alone. Breathing difficulty, blue colour, seizure, unusual unresponsiveness, clear dehydration, serious head injury, or rapid deterioration needs urgent assessment; do not reuse antibiotics or an old prescription.
- Record time, temperature, and method
- Bring the medicine or a photo of it
- Know the paediatric emergency entrance
4. Make home and city trips safer
Secure windows and balconies, anchor unstable furniture, lock away medicines, chemicals, and button batteries, protect outlets appropriately, and keep hot liquids out of reach. Use age- and vehicle-appropriate child restraints; on motorbikes, follow local rules and use a correctly sized helmet when the child is eligible. Near water, the supervising adult stays within reach and off the phone.
5. Keep teeth, sleep, and vaccines in one plan
Brush twice daily with an age-appropriate amount of fluoride toothpaste confirmed with a dentist, avoid prolonged sweet drinks, and ask about dental visits. Keep sleep and wake times reasonably consistent while adapting to family life. Bring the vaccine record to every visit to reconcile completed and catch-up doses with the local schedule; do not delay solely for one private vaccine brand when an appropriate alternative is available.
Practical checklist
- Development changes and concerns
- Hearing, vision, and dental plan
- Shared safe food-shape rules
- Thermometer, recent weight, and paediatric contact
- Home, balcony, medicine, and water safety check
- Master vaccine record and next visit
How NIMO built this guide
NIMO writes and localizes each guide for Vietnamese families, then checks key facts against the official references below. The links support the guide; they are not the guide itself.
Editorially checked · clinical review pendingDoes not replace individual clinical assessmentNext review · Nov 11, 2026
Fact-check references
This content is for information only and does not replace medical advice. For severe symptoms, breathing difficulty, or unusual unresponsiveness, contact a local medical facility or emergency service immediately.