Definition of "birthweight" [birthweight]

• The amount that a baby weighs at the time of birth (noun)

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• "They controlled for potentially confounding factors such as birthweight, lead exposure and breastfeeding."
• "The Changing Body, which I co-wrote, shows that height rather than birthweight is the best guide to a child's standard of life and predicts longevity, health and even earning power."
• "Birth defects, prematurity and low birthweight are the leading causes."