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Pronunciation: per'i-na'tal

Definition: Occurring during, or pertaining to, the periods before, during, or after the time of birth; before delivery from the 22nd week of gestation through the first 28 days after delivery.

[peri- + L. natus, pp. of nascor, to be born]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.