9 Newborn Reflexes
Learn about primitive reflexes, including why and when your baby will root, grasp, startle, thrust her tongue, and more
What It Is: Rooting reflex
Check It Out: Stroke the side of your baby’s cheek with your fingers or breast and he’ll turn his head toward it, open wide, and begin to make sucking movements with his mouth. This most basic of survival instincts can be a big help to nursing moms trying to teach their babies to latch on.
When It Disappears: About four months.