When Do Babies Roll Over? Milestone Guide for Aussie Parents

Rolling is your baby's first big mobility milestone — and it almost always catches parents by surprise. Here's when to expect it, what to do about the cot from that moment on, and how to encourage strong, symmetrical rolling. Most babies roll back-to-tummy between 4 and 7 months. Typical timeline 3–4 months: tummy-to-back the easier direction . 4–6 months: back-to-tummy. 6–7 months: rolling confidently both ways. The Royal Children's Hospital Melbourne considers anywhere from 4–7 months typical. Premature babies usually catch up by their corrected age. Stop swaddling immediately The day your baby rolls — even once — switch from a swaddle to a sleeping bag with arms free. This is the single most important safe-sleep change in the first year. That first roll often happens when you least expect it — usually mid nappy change. Encouraging rolling Plenty of tummy time builds the trunk strength rolling requires. Place a favourite toy just out of reach to one side. Roll baby gently from back to side and let them finish the move themselves. Alternate which side you offer toys, change nappies, and carry baby on. Rolling and sleep Once rolling, many babies sleep face-down. Red Nose Australia guidance is to still put baby on their back to sleep; if they roll themselves, you don't need to flip them back. Keep the cot bare: firm mattress, fitted sheet, no pillows, bumpers or loose blankets. When to ask for help Speak to your Maternal & Child Health Nurse if your baby isn't rolling either way by 7 months, only rolls to one side, or seems stiff/floppy. Early checks are reassuring and almost always show typical variation. Keep reading Tummy time guide Smile milestone Language milestones 3–12 months All free parenting tools Personalised care plans by a Maternal Health Nurse Frequently asked questions Is 7 months late to roll? It's within normal range. Speak to your MCH nurse if there's no rolling by 7 months for reassurance and a quick check. Can my baby still sleep in a swaddle if they're rolling? No. Switch to arms-out sleeping bag the day rolling begins. Why does my baby only roll one way? Common at first. Encourage both sides; mention persistent one-sidedness to your nurse. Will rolling wake my baby up? Often, briefly, until they get used to it. Most settle within 1–2 weeks. Does rolling delay crawling? No — it's the strength base for it. This article is general informat…