Related milestonesAble to bring hands to mouthBy 4 MonthsNot StartedMakes different vowel sounds, e.g. eee, ooo, ahh, uhBy 4 MonthsNot StartedUses smiles, sounds, or movement to get attentionBy 4 MonthsNot StartedWhen hungry will open mouth for breast or bottleBy 4 MonthsNot StartedDrinks 4 oz. to 6 oz. of breast milk/formula per feedingBy 4 MonthsNot Started