It was a fall evening in Toronto when six-year-old Myles took to the ice at the Air Canada Centre to play Timbits hockey during a Maple Leafs intermission. Strong, aggressive and fast, Myles scored a goal. It was a monumental moment for the boy, and one that his mom, Sara Archambault, would have been hard-pressed to imagine when he was born extremely early, at 26 weeks and one day gestation, and a mere one pound, 11 ounces. ?When I flash back to him crying in the incubator to just being so athletic and so confident, it?s amazing,? she says.

Babies will meet milestones based on their corrected age?their chronological age minus the number of months born early. So, if your baby was born two months early, he?ll probably start sitting when he?s around eight to nine months old (compared with six to seven months old for a full-term baby), crawling by 10 to 11 months (versus eight or nine months) and pulling to stand by 12 months (instead of 10 months). By age two, he should be engaging in all the same physical activities that you?d expect of a two-year-old born at term. However, just like for babies born at term, there is a range of what?s considered normal. If your baby is meeting milestones out of order, though, or he doesn?t seem to be doing a skill the way you?d expect (like only using one side of his body when pulling up to stand), then that could be a concern, says Church. Leonora Hendson, a neonatologist who runs a preemie follow-up clinic at Alberta...