Related milestonesTurns head towards sound or voiceBy 4 MonthsNot StartedWhile lying on back, keeps head centered to watch faces or toysBy 4 MonthsNot StartedEnjoys new toys or objectsBy 4 MonthsNot StartedMakes different vowel sounds, e.g. eee, ooo, ahh, uhBy 4 MonthsNot Started
