4-Month-Old Development: Cognitive Milestones From 4 to 7 Months04/17/2015 12:00:00 PMRebecca Desfosse4-Month-Old Development: Cognitive Milestones From 4 to 7 Months4-Month-Old Development: Cognitive Milestones From 4 to 7 Months4-Month-Old Development: Cognitive Milestones From 4 to 7 MonthsCare.comIn the NewsIn the News