Hi, I added you a little while back. Just wanted to say, don't be concerned about Liam not walking at 13 months - I've been there, so I know that's easier said than done :) It's absolutely normal for kids to not walk till they are 18 months old, and even if they still aren't (like my son, for example - 20 months old and will only walk when holding someone's hand or pushing his walker) then medical professionals won't be worried until they reach 2. My son is definitely delayed, though. He didn't even crawl till he was 15 months old! We took him to doctors, physios etc and none of them were worried. He's just a late bloomer :)