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1-3 Years

1-3 Years

Early Childhood

In this period when your child gains independence, language develops rapidly, and emotions are expressed more strongly, we are here for you with practical guides and expert advice.

Official SourcesReliable ContentUp-to-date InfoPractical Tips

What Happens in This Period?

Key milestones across your child's developmental areas

Language Development

Vocabulary increases, expresses desires more clearly.

Independence

The 'I will do it' phase begins. Boundaries and routines are very important.

Emotion Management

Anger, stubbornness, and crying spells may be frequent.

Learning Through Play

Imitation, matching, imaginative play, and problem-solving develop.

Toilet Readiness

Some children begin showing signs of toilet-training readiness.

Learning Through Play(2 items)

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Filter by period and developmental area, or search.

A preschool child celebrates a daily potty-training step with their father
Daily Life & Self-Care

Toilet Learning Without Pressure: A Gentle Guide for Caregivers

Toilet learning is a gradual process of skill-building, not a race or test of obedience. Discover how to recognize readiness, create a calm routine, and support your child’s progress without forcing outcomes or using rewards that pressure them.

6 min read|1-3 Years+2
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A parent calmly supports a fully clothed toddler beside a potty in a bright bathroom
Daily Life & Self-Care

Wetting at Ages 1–3: A Calm, Safe Potty-Training Guide

Separate daytime accidents from nighttime wetting, follow readiness rather than a deadline, and build a shame-free routine with clear signs for seeking health advice.

6 min read|1-3 Years
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Popular Topics

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Emotions & Behavior

Sub Topics

Crying & soothing · Anger & tantrums · Listening, limits & cooperation · Hitting, biting & aggression · Understanding & managing feelings · Fears & anxiety

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Crying & soothing

Crying & soothing

Anger & tantrums

Anger & tantrums

Listening, limits & cooperation

Listening, limits & cooperation

Hitting, biting & aggression

Understanding & managing feelings

Understanding & managing feelings

Fears & anxiety

Separation anxiety

Self-confidence & self-esteem

Self-confidence & self-esteem

Stress, grief & difficult events

A parent and child in a bright home pack a familiar toy into a small bag, with moving boxes behind them.
Latest Content
Moving with children: a plan for a new home and school

Make room in your moving plan for the things your child can keep: familiar belongings, everyday connections and a clear picture of the next school day.

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A kneeling parent gently holds the hand of a toddler looking down while wrapping the other arm around a crying child
Featured
Toddler biting and hitting: what to do from ages 1 to 5

Did daycare call to say your toddler bit someone again, or is your child hitting you? Why biting, hitting and pushing happen from ages 1 to 5, what to do in the moment and how to prevent it.

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Tools for this age

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Calculators, schedules and checklists — sign in and the results are saved to your child's profile.

Baby percentile calculatorWhere does your child's weight and height sit among children the same age? See it in seconds on the WHO growth curves.
Baby and child sleep scheduleHow much should your child sleep in 24 hours, and when should bedtime be? Calculate it from official guidance and compare it with your own log.
Potty training chartWhen to start and how to prepare? A roadmap by age, a daily routine and a printable reward chart.
Baby milestones by monthCheck off what most children your child's age can do, and talk about the rest with your doctor.
Baby vaccine schedulePick your country, enter the birth date, and see the official schedule as your own dates.
Baby teething chart: order and timelineEnter the date of birth to see the typical eruption window of all 20 baby teeth, the next tooth and the teeth already through — on one screen.
Baby feeding schedule: weaning chart by monthEnter your country and the date of birth: when to start solids, meals and textures by age, and until when to avoid certain foods — with dates.
Screen time by ageSee how much screen time a day your country's official body recommends at your child's age; add daily use to compare it with the advice.
What temperature is a fever in children?See whether the temperature you measured counts as a fever according to your country's official health source, when to get help at your child's age and the warning signs.
Child Height Predictor & Genetic Target Height CalculatorHow tall will your child be as an adult? Enter both parents' heights to calculate the pediatric mid-parental target height and expected adult height range using the Tanner and AAP formulas.

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