Primitive oral reflexes

    Cards (8)

    • Sucking - appears 28 weeks gestation and disappears by 3-4 months of age. However, some literature mentions that it is as early as 14 weeks of gestation.
      • Rooting-Appears at 34 weeks gestation and disappears by 3-4 months of age.
    • Snout - Some sources mention up to 1 year of age. The snout reflex, is known as orbicularis oris reflex or "pout".
    • Palmar grasp - Appears at 26 weeks gestation and disappears by 3 months of age; however, some literature mentions up to 6 months of age. 
    • Plantar grasp - Appears at 30 weeks gestation and disappears by 10-15 months of age.
    • Plantar reflex - Disappears by 12 months.
    • Moro - Appears at 32 weeks gestation and disappears by 3-6 months of age.
    • Stepping/walking reflex - Appears at 32 weeks gestation and disappears by 1-2 months of age.