<prompt> A baby on examination shows unilateral Moros reflex with positive palmar grasp reflex. The site of lesion isC3C4C5C6C8T1C1C2  <response>: Moros reflex is a neonatal reflex which develops by 28th wk of gestation and disappears by 3-6 months of age.Moro reflex is obtained by placing the infant in a semi-upright position. then the head is momentarily allowed to fall backwards with immediate re-support by the examiners hand.The child symmetrically abducts and extends the arms and flexes the thumbs, followed by flexion and adduction of upper extremities.Unilateral Moros reflex is seen in :Erbs palsy C5-C6 damage Spastic hemiplegia Fracture of humerus or clavicle. Shoulder dislocation Exaggerated Moros reflex is seen in - cerebral damage. 