#live_birth  the birth of a living fetus (regardless of the length of gestation)
  exclusion:  spontaneous_abortion
  supertype:  birth__nativity__nascency__nascence  the event of being born; "they celebrated the birth of their first child"
  subtype:  blessed_event__blessedevent__happy_event__happyevent  (informal) the live birth of a child

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