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Topic guide

Development & milestones

How babies grow and change month by month — milestones from newborn to toddler, tummy time, developmental leaps, and what's worth a chat with your doctor. Milestones are ranges, not deadlines.

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All development & milestones guides

GrowthDevelopment

Baby growth spurts: signs and what to expect

When baby growth spurts tend to happen, how to spot one, and why the extra feeding and broken sleep usually pass within a few days.

Guide · Infant
Development

Milestones: 0–3 months

In these first weeks your baby is learning to find your face, lift their head and share that first real smile — and there's a wide, healthy range for all of it.

Guide · Newborn
Development

Milestones: 12–24 months

This is the busy, beautiful year your baby finds their feet, their first words, and a fierce little will of their own.

Guide · Toddler
Development

Milestones: 4–6 months

Between 4 and 6 months your baby starts rolling, reaching, babbling and sitting with a little help — and every baby gets there on their own timeline.

Guide · Infant
Development

Milestones: 6–12 months

From sitting to first words, your baby's second half-year is full of big leaps — here's what to expect, and the wide range that's perfectly normal.

Guide · Infant
SleepDevelopment

Newborn sleep: what to expect (0–12 weeks)

In the early weeks your baby's sleep is meant to be short, scattered and feed-driven — here's what's normal and how to ride it out.

Guide · Newborn
SolidsDevelopment

Progressing food textures

Moving your baby from smooth purees to lumps, finger foods and family meals helps them learn to chew, build skills and enjoy food with you.

Guide · Infant
BehaviorDevelopment

Screen time in the early years

Screens can wait — the early years are all about real faces, real play, and real rest, and a little video call with Grandma is perfectly fine.

Guide · Toddler
BehaviorDevelopment

Separation anxiety

That sudden clinginess and crying when you leave the room is a sign your baby loves and trusts you — it's a healthy stage you can gently support.

Guide · Infant
SolidsDevelopment

Starting solids: signs of readiness

Around six months your baby starts getting ready for their first tastes — here's how to begin gently, safely, and with confidence.

Guide · Infant
SleepDevelopment

The 4-month sleep change

Around four months your baby's sleep grows up — more wakings now are usually a sign of healthy brain development, not a step backwards.

Guide · Infant
SleepDevelopment

The 8–10 month sleep wobble

Around 8 to 10 months, big motor leaps and separation anxiety can shake up sleep that had settled — it's developmental, and it passes.

Guide · Infant
DevelopmentRoutines

Tummy time

A few gentle minutes on the tummy each day builds the strong neck, shoulders and head shape your baby needs to grow.

Guide · Newborn
HealthDevelopment

Vaccinations: an overview

Vaccines are one of the safest, most effective ways to protect your little one from serious illness, and a bit of post-jab cuddling goes a long way.

Guide · Newborn
SleepDevelopment

Wake windows: how long awake between sleeps

A wake window is simply the awake time between sleeps, and it grows slowly as your baby does.

Guide · Infant

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