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birth defect

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noun Pathology.
  1. any physical, mental, or biochemical abnormality present at birth.
Also called congenital defect.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
birth defect in Medicine

birth defect

n.
  1. A physiological or structural abnormality that develops at or before birth and is present at the time of birth, especially as a result of faulty development, infection, heredity, or injury.congenital anomaly
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.