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perinatal

[per-uh-neyt-l] /ˌpɛr əˈneɪt l/
adjective
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.
Origin
1950-1955
1950-55; peri- + natal
Related forms
perinatally, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for perinatally

perinatal

/ˌpɛrɪˈneɪtəl/
adjective
1.
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
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Word Origin and History for perinatally

perinatal

adj.

1952, from peri- + natal.

Online Etymology Dictionary, © 2010 Douglas Harper
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perinatally in Medicine

perinatal per·i·na·tal (pěr'ə-nāt'l)
adj.
Of, relating to, or being the period around childbirth, especially the five months before and one month after birth.


per'i·na'tal·ly adv.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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