45 development guides
Baby development
Wake windows, sleep regressions, rolling and crawling — and when a milestone is genuinely worth raising, using the CDC checklists revised in 2022.
DevelopmentBaby-Led Weaning vs PureesThe NHS says there is no right or wrong way. What baby-led weaning is, what the evidence shows on…DevelopmentBaby Milestones Month by MonthThe CDC rewrote its milestone checklists in 2022. Here is the current version for 2, 4, 6, 9 and 12…DevelopmentBaby Not Babbling YetNot babbling is one of the few communication signs with a clear referral age attached. What the…DevelopmentBaby Not Making Eye ContactEye contact has some of the earliest referral triggers in national guidance. What the HSE says at…DevelopmentBaby Not Pointing YetPointing sits later on the revised CDC checklists than parents expect: fifteen months to ask,…DevelopmentBaby Not Rolling Over YetNot rolling at 5, 6 or 7 months is one of the commonest baby worries. The referral thresholds…DevelopmentBaby Not Sitting Up YetNot sitting at 8 or 9 months is where guidance turns from reassurance to referral. What NICE, the…DevelopmentSleep RegressionsSleep regressions are a parenting term, not a diagnosis. What changes at 4, 8 and 12 months, how…DevelopmentBaby Stopped Babbling or Lost a SkillEvery HSE milestone page in the first year ends with the same line: contact someone if your child…DevelopmentTeethingMost babies cut a first tooth around six months, but four months and after twelve are both normal.…DevelopmentBaby VaccinationsThe UK schedule at 8, 12 and 16 weeks and one year, what each vaccine covers, the side effects that…DevelopmentBaby's First ColdBabies get five to eight colds a year and most clear in two weeks. What helps, what to avoid, and…DevelopmentBum Shuffling Instead of CrawlingBottom shuffling is a recognised way of getting around, named by both the NHS and the HSE. Why it…DevelopmentChoking vs GaggingGagging is loud and normal. Choking is quiet and dangerous. How to tell them apart in seconds, what…DevelopmentCommando Crawling and Crawling BackwardsSlithering on the tummy and reversing across the room are both normal stages. Why babies push…DevelopmentCrawling, Standing and First StepsWHO tracked six motor milestones across five countries. Walking alone spans 8.2 to 17.6 months, and…DevelopmentDummies and Thumb SuckingSucking is a normal newborn need, and a dummy at sleep may lower SIDS risk. The safety rules, the…DevelopmentEarly Hand Preference in BabiesA clear hand preference before a baby's first birthday is one of the few things NICE names outright…DevelopmentIntroducing AllergensThe guidance reversed. Delaying peanut and egg is now thought to raise allergy risk, not lower it.…DevelopmentObject Permanence in BabiesKnowing a hidden thing still exists arrives in stages across the first year. The ages the HSE and…DevelopmentScreen Time for BabiesWHO recommends no screen time under one and none for one-year-olds. The CDC says none under two,…DevelopmentSeparation AnxietyClinginess around nine months is a developmental step, not a setback. When it starts, when it…DevelopmentStarting SolidsThe NHS names three signs a baby is ready for solid food, and three that look like readiness but…DevelopmentTummy TimeTummy time can start the day you come home. How many minutes a day, what it builds towards, what to…DevelopmentW Sitting in BabiesW sitting worries a lot of parents, but no national health body publishes advice on it. What is…DevelopmentWake Windows by AgeWake window charts are everywhere, but no health body publishes one. Here are the numbers by age,…DevelopmentWhen Can Babies See ClearlyNewborns see best at about 20 to 30 centimetres. The AAP and HSE timetables for focusing, colour…DevelopmentWhen Do Babies Blow RaspberriesBlowing raspberries is a real milestone on the CDC's revised checklist. The ages the HSE, ASHA and…DevelopmentWhen Do Babies Clap and WaveWaving and clapping are gestures, not tricks, and arrive between about nine and fifteen months.…DevelopmentWhen Do Babies Develop a Pincer GraspThe pincer grasp is the thumb-and-finger pick-up that changes finger food. The ages the AAP, the…DevelopmentWhen Do Babies Discover Their Hands and FeetStaring at their own hands, then grabbing their toes. The ages the CDC checklists and the HSE…DevelopmentWhen Do Babies Double Their Birth WeightThe AAP says most babies have doubled their birth weight by six months and the HSE says most are…DevelopmentWhen Do Babies Have Growth SpurtsGrowth spurt calendars are everywhere, but no national health body publishes one. What the NHS, HSE…DevelopmentWhen Do Babies Hold Their Head UpHead control comes in stages, not on one date. What the CDC's 2022 checklists, the HSE and NICE…DevelopmentWhen Do Babies Hold Their Own BottleMost babies try to hold a bottle around six months, but no health body sets an age. What the HSE…DevelopmentWhen Do Babies Laugh Out LoudChuckles come before proper laughs, and the checklists list them separately. The ages the CDC, HSE…DevelopmentWhen Do Babies Lose the Startle ReflexThe Moro or startle reflex peaks in the first month and fades after about two months. What the AAP…DevelopmentWhen Do Babies Recognise FacesBabies prefer faces from the start but recognise people gradually. The ages the HSE and CDC…DevelopmentWhen Do Babies Respond to Their NameLooking up when you call is a listed milestone at nine months. What the CDC, HSE and ASHA say, why…DevelopmentWhen Do Babies Roll OverRolling comes in two directions that arrive at different times. The ages the CDC's 2022 checklists…DevelopmentWhen Do Babies Say Mama and DadaBabies say mamama long before they mean you. The HSE puts the sound at eight months and the meaning…DevelopmentWhen Do Babies Sit Up UnsupportedThe WHO measured sitting without support in five countries and found a window of 3.8 to 9.2 months.…DevelopmentWhen Do Babies Start BabblingCooing, then squeals, then bababa. The ages the CDC checklists, the HSE and ASHA give for each…DevelopmentWhen Do Babies Start SmilingThe reflex grins of the first weeks are not a social smile. The AAP puts the real one at the end of…DevelopmentWhen Do Babies Understand NoPausing when you say no is a listed milestone. The HSE puts the start at ten months and the CDC…