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Meaning of perinatal

per•i•na•tal

Pronunciation: (per"u-nāt'l), [key]
— adj.
  1. occurring during or pertaining to the phase surrounding the time of birth, from the twentieth week of gestation to the twenty-eighth day of newborn life.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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