9 to 12 Months Gross Motor Milestones May 22, 2016June 2, 2016 Crawls (Avg. start: 9 months) Cruises (Avg. start: 9-10 months) Stands alone (Avg. start: 11-12) Walks alone (Avg. start: 12-13) Share this:TwitterFacebookLike this:Like Loading... Related