Medically reviewed by Jonathan B. Jassey, DO Key Takeaways The Moro reflex is a startle response in babies that makes their arms extend and retract. Newborns grow out of the Moro reflex within the ...

The sucking reflex comes naturally to most babies, and its key to helping them effectively drink formula or breastmilk. Here's what you need to know. Your baby does this without thinking about it ...