Neonatal Reflexes- Everything you need to know

NEONATAL REFLEXES- By Dr. Rajasree K

Neonatal reflexes are inborn reflexes which are present at birth and occur in a predictable fashion.  A normally developing newborn responds to certain stimuli with these reflexes, which eventually become inhibited as the child matures.

  • Most primitive reflexes begin to occur in utero through the early months of the child’s postnatal life.  
  • These reflexes are then replaced by voluntary motor skills.  
  • When the reflexes are not inhibited, there is usually a neurological problem at hand.  
  • Individuals with cerebral palsy and neurogenic dysphagia, the presence of primitive reflexes is a characteristic

Moro Reflex

  • Stimulated by a sudden movement or loud noise.
  • A normally developing neonate will respond by throwing out the arms and legs and then pulling them towards the body (Children’s Health Encyclopedia).  
  • Emerges 8-9 weeks in utero, and is inhibited by 16 weeks .

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