Pediatricians test for the Moro reflex at birth as an important marker of a newborn's nervous system function. Knowing what it is, how long it will last, and how to deal with its impact can assist ...

Medically reviewed by Jonathan B. Jassey, DO The Moro reflex is a protective "primitive reflex" seen in healthy babies up to 6 months old. A baby's arms quickly extend away from the body with ...