March 10, 2015March 12, 2015 xiaoxiao 18mo xiaoxiao’s 18mo checkup. Weight 23lb 2 / 50-75%; Length 31.75 inches / 50%; Head circumference 18.5 inches / 50-75%. 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...