Baby by Week

Your 10-Month-Old Baby: Standing and Testing Limits

August 19, 2026

Your 10-Month-Old Baby: Standing and Testing Limits

At ten months most babies are upright some of the time, loud most of the time, and newly interested in what happens when they do the thing you just said no to. Here’s the honest first thing to know: there is no CDC ten-month milestone checklist. The first-year checklists land at 2, 4, 6, 9 and 12 months, and ten falls in the gap. Anything published as “10-month milestones” is somebody’s interpolation between the nine- and twelve-month lists. So that’s how this post treats it — as a bracket, not a test.

What ten months actually sits between

She has already met the nine-month checklist: sitting without support, getting to sitting alone, moving objects hand to hand, banging two things together, raking food with her fingers, looking when you call her name, long babble strings, reacting when you leave.

Ahead of her, on the CDC’s twelve-month list: pulls up to stand, walks holding on to furniture, drinks from a cup you hold without a lid, picks things up between thumb and pointer finger, puts something in a container, looks for things she saw you hide, plays pat-a-cake, waves bye-bye, calls a parent “mama” or “dada”, understands “no”.

Ten months is the middle of that. Most babies will have some of the twelve-month items and none of the others, in an order that has nothing to do with the order they’re printed in. A baby who is cruising the sofa but not waving, or waving but not pulling up, is not ahead or behind — she’s ten months old. Betteroo’s ten-month milestone guide covers the same in-between month.

The month of standing up

Pulling to stand is the visible headline, and once it’s in place the crib mattress must be on its lowest setting — no exceptions, no “she can’t reach yet.” Cruising usually follows: sideways steps along the coffee table, both hands on, then one hand, then a long stare at the gap between the table and the sofa.

What she genuinely cannot do yet is get down. Standing is a one-way skill for a while, which is why a ten-month-old will haul herself up in the crib at 1am and then howl because she is stuck vertically. Practising sitting down from standing on the floor, in daylight, over and over, does more than anything you can do at night.

Furniture becomes a handhold the day she starts pulling up, and the numbers here are not a scare tactic. The AAP states that a child arrives in an emergency department at least once every hour of every day with injuries from a furniture or television tip-over, and that 77% of tip-over deaths between 2000 and 2019 involved children under six. Anchoring is a fifteen-minute job — a two-pack of Safety 1st TV and furniture straps will do a dresser and a television — and the AAP’s advice is metal brackets rather than plastic, and more anchors the heavier the piece.

Language: sounds that start pointing at things

Babble at ten months starts sounding deliberate. The strings from last month get intonation — she’ll produce a sentence-shaped noise with a question at the end. Some ten-month-olds attach “mama” or “dada” to the right person; the CDC puts that on the twelve-month list, so not doing it yet is squarely normal.

What’s worth watching is not words but communication: does she look at you when you talk, turn to her name, lift her arms to be picked up, push a bowl away when she’s done, hold something out to show you? Those are the real precursors, and they’re on the checklists precisely because they matter more than vocabulary at this age.

Gestures start now too. Waving, pointing and clapping are all imitation — she does them because she’s watched you do them a hundred times, so the useful move is doing them yourself, exaggeratedly, in a way that would be embarrassing anywhere but your own living room.

Sleep at ten months

Twelve to sixteen hours across a day including naps is still the range the AAP endorses, usually a long night plus two naps. The two-nap pattern is fairly settled by now for most babies, and the morning nap is the one that eventually goes — but not for months yet. If your ten-month-old is fighting one of two naps, the answer is almost always a stretched wake window rather than a dropped nap.

Night wakings at ten months usually have the same three culprits as last month: a new skill being rehearsed in the dark, separation anxiety, and teeth. The crib practice above helps the first. For the second, short predictable goodbyes in the daytime do more than anything at 3am.

Safe sleep does not change until her first birthday: her own bare crib, firm flat surface, on her back to start, nothing else in there — no pillow, no loose blanket, no bumpers, no toys.

Betteroo Standing in the crib at 1am? There's a reason, and a plan Betteroo builds a gentle, personalized sleep plan around your baby's real age and rhythm, and keeps adapting it as she grows. Take the 2-minute sleep quiz →

Feeding: three meals and a much stronger opinion

Three meals plus a couple of snacks, alongside breast milk or formula, which is still the larger share of nutrition until twelve months. The pincer grasp is usually solid by now, which means genuinely small pieces are manageable and self-feeding gets faster and no less filthy.

Ten months is also where refusal shows up. A baby who ate everything at seven months turns her head away, throws the bowl, or eats only one beige category. Some of that is a real preference and some of it is the discovery that food falls. Keep offering the rejected thing without pressure, keep eating it in front of her, and don’t replace a refused meal with a guaranteed win — that teaches the wrong lesson quickly.

The first-year rules hold: no honey before twelve months, no cow’s milk as a drink before twelve months (dairy in food is fine), no whole grapes, nuts, seeds, popcorn or hard raw vegetables, and no eating in a car seat or bouncer.

Call the pediatrician if…

Call for: a fever of 100.4°F (38°C) or higher; a baby much harder to rouse than usual, or floppy; a clear drop in wet diapers or milk intake; labored breathing — fast, grunting, ribs pulling in — or blue lips; hives, facial swelling, vomiting or wheezing after a new food (911 for breathing difficulty or swelling of the face or mouth); vomit that’s green or bloody; a baby who isn’t sitting steadily without support; no babbling or no consonant sounds at all; no response to her name; no interest in the people around her; skills that have gone backwards; a body that stays stiff or floppy; a strong persistent preference for one hand or one side; or the plain “she seems off.” And if a fall from furniture is followed by vomiting, unusual sleepiness or a change in behaviour, that’s a same-day call.

FAQ: your 10-month-old

Are there official 10-month milestones?

No. The CDC’s first-year checklists are at 2, 4, 6, 9 and 12 months — there is no ten-month one. Lists published under that heading are interpolations. The useful frame is that she should have the nine-month skills and be picking up twelve-month ones in her own order.

Should a 10-month-old be walking?

Very few are, and they don’t need to be. The CDC puts “walks, holding on to furniture” at twelve months and “takes a few steps on his own” at fifteen. Independent walking anywhere from around nine to eighteen months is within the normal spread — raise it at the twelve-month visit if she isn’t weight-bearing on her legs at all.

Why does my 10-month-old wake up standing in the crib?

Because pulling up arrives well before sitting back down does. She gets herself vertical, can’t reverse it, and objects. Practising the sit-down on the floor during the day is what fixes it; going in to lower her repeatedly at night mostly teaches her that standing summons you.

What’s next?

Eleven months — the last month before the first real checklist since nine, and the one where the walking starts to look imminent. You’re doing fine.