Related milestonesBabbling has sounds and rhythms of speechBy 12 MonthsNot StartedUses babbling to get attentionBy 6 MonthsNot StartedCombines consonants and vowels in different ways e.g. ahhh-b, mmm-uuuh, eee-pBy 9 MonthsNot StartedMakes different kinds of sounds to express feelingsBy 6 MonthsNot Started