Baby development

More Baby development

Your baby's development month by month

four-month-old baby lying on his back and reaching for colourful toys on his play gym
Your four month old's development

Your baby's head has needed a lot of support during the first few months. As her neck muscles get stronger, find out how you can help her hold her head up high.

A second a day: from birth to 3 months (video)

A second a day: from 3 months to 6 months (video)

A second a day: from 6 months to 9 months (video)

A second a day: from 9 months to 1 year (video)

See all in Your baby's development month by month

Your baby's growth

baby in pink hat laughing at camera
Baby growth spurts

Wondering if your baby is having a growth spurt? Find out the top signs of growth spurts, how long they last, and what you can do to help your baby through them.

Baby growth concerns

Understanding your baby’s growth

Do growth spurts hurt my baby?

Do growth spurts really exist, or are they just a myth?

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Physical development

crawling baby trying to close a door
Developmental milestones: crawling

Find out when your baby will crawl and how you can help develop this skill.

Baby milestones: one to six months

Baby milestones: seven to 12 months

Developmental milestones: rolling over

Developmental milestones: sitting

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Your baby's senses

Baby on tummy chewing on plastic toy
Developing your baby’s senses through play

Everyday activities such as playtime, nappy changing and feeding are a great opportunity to develop your baby’s sense of touch, smell, hearing, sight and taste.

Developmental milestones: sight

Developmental milestones: hearing

Why does my baby put everything in her mouth?

Your newborn’s senses (video)

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Social and emotional development

Baby sitting up with arms waving in the air
Developmental milestones: separation and independence

Is my baby self-aware? How can I avoid separation anxiety? A guide for parents to a key area in baby development.

My 7-week-old doesn't smile yet. What's wrong?

Developmental milestones: socialisation

When will my baby smile for the first time?

Can I predict what sort of personality my baby will have?

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Learning and communication

Developmental milestones: understanding words, behaviour, and concepts

Inside a child's mind: a visual guide

When will my baby start remembering things?

Baby signing

Brain development: is the difference between boys and girls all in their heads?

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