December 30, 2014March 12, 2015 xiaoxiao 15mo xiaoxiao’s 15mo checkup. Weight 23lb / 50%; Length 30.5 inches / 25%; Head Circumference 18.25 / 50-75%. Share: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Share on Pinterest (Opens in new window) Pinterest Like Loading...