The Physiology of the Newborn

  • M. P. Ward Platt
  • E. N. Hey


The physiology of newborn babies differs from that of older infants, children and adults in a manner of fundamental importance: it changes, over a timescale of hours and days. The behaviour of almost all body systems, which in older humans is predictable within certain limits from one day or week to another, changes rapidly in newborn babies. For the neonatal period is a time of adaptation from intrauterine to extrauterine life, and this adaptation is a dynamic process which does not take place instantaneously. Thus knowledge of many aspects of the physiology of adults and even of children is unhelpful in understanding that of babies.


Newborn Infant Newborn Baby Term Baby Neonatal Jaundice Human Neonate 
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  • M. P. Ward Platt
  • E. N. Hey

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