Related milestonesTurns head towards sound or voiceBy 4 MonthsNot StartedWhile lying on back, attempts to reach for a toy held above their chestBy 4 MonthsNot StartedWhile lying on back, keeps head centered to watch faces or toysBy 4 MonthsNot StartedEyes track together by 3 monthsBy 4 MonthsNot Started
