January 25, 2013February 25, 2013 9mo 9mo checkup. Weight 19lb 7oz / 50-75%; Length 28.5 inches / 75-90%; Head circumference 17.75 inches / 75%. Share:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Like this:Like Loading...