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.

Origin of perinatal

First recorded in 1950–55; peri- + natal
Related formsper·i·na·tal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for perinatal

Contemporary Examples of perinatal

British Dictionary definitions for perinatal



of, relating to, or occurring in the period from about three months before to one month after birth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for perinatal

1952, from peri- + natal.

Online Etymology Dictionary, © 2010 Douglas Harper

perinatal in Medicine




Of, relating to, or being the period around childbirth, especially the five months before and one month after birth.
Related formsper′i•natal•ly adv.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.