Baby 10–12 Months: Walking, First Words & What to Expect Before the First Birthday

📚 What this guide covers

What is happening developmentally at 10, 11, and 12 months

Walking — the wide normal range and how to support it

First words and the language explosion

Imitation, pointing, and the social milestones of this stage

Feeding — transitioning to family food and dropping milk feeds

Sleep at 10–12 months

The 12-month developmental review

Planning the first birthday

The Threshold of Toddlerhood

Between ten and twelve months, your baby is on the threshold of becoming a toddler. The person they will be is becoming visible. They have opinions. They have preferences. They protest when something is taken away, laugh at things they find funny, and look for your reaction before deciding how to feel about new situations. Social referencing — checking your face to calibrate their own response — is operating reliably now.

They may or may not be walking yet (the normal range extends to 15 months). They may have a handful of words or none. They understand far more than they can yet express — estimates suggest a 12-month-old understands somewhere between 50 and 100 words even if they can produce only a handful. You are approaching the end of the first year. Almost nothing about you is the same as it was.

Month by Month: What to Expect

10 Months — Cruising and Communicating

Most babies are cruising confidently at ten months — moving along furniture hand over hand with growing speed and confidence. Some are standing briefly unaided; a smaller number are taking first steps. Communication is becoming more intentional: waving goodbye, clapping on request, shaking their head for no. Proto-imperative pointing — pointing to request something, as opposed to sharing interest in it — is common by now. Imitation is accelerating: they are copying your actions, your sounds, and increasingly your expressions with impressive accuracy.

11 Months — Standing and First Words

Many babies stand independently for short periods by eleven months, and some are taking their first tentative steps. The pincer grip is well established, enabling more precise self-feeding. First words — or consistent vocalisations used meaningfully, which count as words even if not the standard pronunciation — often appear around now, though the range extends from 9 to 14 months and beyond. A word is any sound your baby uses consistently to refer to the same thing: a particular sound for dog, a specific noise for milk. These count, even if no one else would recognise them as words.

12 Months — One Whole Year

At twelve months, most babies can walk with support if not independently. They have at least a few words or consistent vocalisations. They understand simple instructions ("give me the cup", "wave bye bye"). They show affection — reaching up to be held, coming to you for comfort, leaning in for a cuddle — with unmistakable intention. The 12-month developmental review with your health visitor should take place around now. It covers gross and fine motor skills, communication, social development, hearing and vision, and your own wellbeing.

Walking: The Most Variable Milestone

Walking has the widest normal range of any major gross motor milestone in the first two years: 9 to 15 months, with most children walking independently between 11 and 14 months. Any point in this window is normal. Walking at 9 months is not advanced; walking at 15 months is not delayed. What matters is the trajectory — are they progressing through the precursor skills?

Pulling to stand (typically 8–12 months): using furniture, your legs, or anything available. This builds the hip and leg strength that walking requires.

Cruising (typically 9–12 months): moving along furniture while holding on. Speed and confidence increase over weeks. This is walking with training wheels.

Standing unaided (typically 10–14 months): balance develops as they begin trusting their legs without the furniture. Usually happens before walking, but not always.

First steps (9–15 months): the step count increases rapidly once it starts. From first step to confident walking can take anywhere from days to weeks.

What actually helps (and what does not)

Floor time supports walking — babies need to develop their own balance and strength on a flat surface, not in bouncers or walkers. Baby walkers are not recommended by the NHS (they delay walking, teach incorrect movement patterns, and are dangerous near stairs). Bare feet on safe surfaces builds better proprioception than shoes. Shoes are needed for outdoor walking — not before.

Raise with your health visitor

Not walking by 18 months · Strong and persistent preference for one side — only using one hand, always leading with the same leg · Walking on tiptoes consistently after 18 months · Loss of previously acquired walking ability at any age

Language: Words, Gestures, and Understanding

The language development of the 10–12 month period is often misread by parents who are waiting for words when words are not the whole picture. Communication at this stage operates across multiple channels simultaneously.

What to look for

Understanding

50–100 words comprehended

At 12 months, receptive language (what your baby understands) is significantly ahead of expressive language (what they can produce). They understand their name, "no", and many familiar words and simple instructions.

First words

Typically 9–14 months

A word at this age is any consistent vocalisation used meaningfully for the same referent. "Buh" always meaning ball counts. "Mmm" always meaning milk counts. They do not need to be recognisable to anyone else.

Proto-declarative pointing

Key milestone: 9–12 months

Pointing to share something — "look at that dog!" — rather than to request it. This shared attention is one of the most important early communication milestones and an early marker that paediatricians look for.

Imitation

Rapid development through this stage

Copying actions — waving, clapping, banging, using objects correctly (phone to ear, brush to hair). Imitation is the engine of language learning at this stage. Everything you do teaches something.

What you can do

The evidence is clear: the quantity and variety of language your baby hears in the first year predicts vocabulary at three and reading ability at nine. Talk constantly. Name objects, actions, and feelings. Follow their pointing finger and name what they are looking at. Respond to babble as if it is conversation — because to their developing brain, it is. Read aloud. Sing. Repeat. None of this requires expensive resources. It requires your presence and your voice.

Raise with your health visitor at the 12-month review

No babbling by 12 months · No gestures (pointing, waving, showing) by 12 months · Not responding to their name by 12 months · No words or consistent vocalisations by 16 months · Loss of any previously acquired language or social skills at any age — always urgent

Feeding at 10–12 Months

By ten months, most babies are eating three meals a day and one or two snacks, with texture and variety continuing to expand. The transition from weaning foods to family food — eating what everyone else eats, with appropriate modifications for choking risk — typically happens across this stage.

Milk feeds

Breastmilk or formula remains the most important single food source until 12 months. After 12 months, full-fat cow's milk can replace formula as the main milk drink, and breastfeeding can continue for as long as both parent and child wish. The NHS recommends continuing breastfeeding alongside solid foods for as long as mutually desired — there is no upper limit with health benefits.

From 12 months, the number of milk feeds typically reduces naturally as solid food intake increases. There is no specific number of feeds that is right — follow your baby's lead and your own circumstances.

Iron

Iron stores from birth are depleting throughout the first year and are lowest around 6–12 months. Ensuring iron-rich foods appear in the diet twice daily remains important: red meat, dark poultry, lentils, beans, iron-fortified cereals. Vitamin C alongside plant-based iron sources (orange juice, tomatoes, peppers) significantly improves absorption.

On fussy eating at this stage

Food refusal and apparent fussiness increases from around 9–12 months. This is partly developmental (neophobia — wariness of new foods — is evolutionary self-protection as mobility begins) and partly the assertion of newly discovered preferences. Continued exposure to a wide variety of foods — without pressure, without praise, without battle — is the evidence-supported approach. A child who refuses something 10 times may accept it on the 11th. Remove it from the plate rather than removing it from the menu.

Sleep at 10–12 Months

Sleep at this age is highly individual. Some babies are sleeping 11–12 hours overnight with two naps; others continue to wake regularly. Neither end of that spectrum says anything definitive about your parenting or your baby's temperament.

Most babies at 10–12 months are on two naps per day — one mid-morning and one early afternoon. The transition to one nap typically happens between 12 and 18 months and is often preceded by a period of resistance to one of the two naps. Signs of readiness for the transition include consistently refusing one nap, taking a very long time to fall asleep for one nap, or the two naps combined causing late bedtime.

If sleep has become significantly disrupted at this stage without a clear developmental cause, this is an appropriate age to consider a consistent settling approach if you choose to. Whatever method you use, consistency over several weeks matters more than the method itself.

The 12-Month Developmental Review

The 12-month review with your health visitor should cover the following, and should give you time to raise your own concerns:

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Gross motor: pulling to stand, cruising, progress toward walking. Any asymmetry or preference for one side.

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Fine motor: pincer grip, picking up small objects, transferring between hands.

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Communication: babbling, gestures, pointing, responding to name, first words.

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Social: eye contact, social smile, interest in other people, separation anxiety.

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Hearing and vision: responding to sounds, tracking objects.

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Your wellbeing: the Edinburgh Postnatal Depression Scale (or equivalent) should be offered. If it is not, ask. Postnatal depression can present or worsen at any point in the first year.

If you are not offered a 12-month review or it is significantly delayed, contact your health visiting team proactively. You are entitled to it.

The First Birthday

First birthdays are significant events — but they are significant primarily for parents. Your baby will not remember theirs. What they will experience on the day is the excitement and energy of people they love, the novelty of a decorated space, and possibly their first encounter with birthday cake. They do not need a party. But if you want one, have one — without guilt about whether it is for them or for you. It is for you. That is fine.

What is worth doing is marking it for yourself: writing down who they are at one, what made you laugh this year, what terrified you, what surprised you. That record will matter more than any photograph. And looking back at the parent you were on day one — exhausted, uncertain, in love — and the parent you are now, with a year of evidence behind you, might be the most useful thing you can do on the anniversary of the hardest and most extraordinary year of your life.

"I spent his first birthday crying, and I could not explain why. I think it was relief. We had made it. He was here. I was here. I had been so terrified and we had made it."

From Mumsnet · first birthday

Almost One: Baby at 10–12 Months