YSITD_TG_Bot says to #ysitd<licson>: (@seadog007: @lics...) Cartilage (foetus) > Cartilage (Child) Ossification begins at second month of foetal development while at childhood secondary ossification starts. This means that a child has more developing bones than the foetus and thus having less cartilage.at Tue, Apr 26, 2016 5:11 PM