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neonatal macrosomia excessive birth weight in a neonate, seen most often in children of diabetic mothers or those with cerebral gigantism.
macrosomatia/mac·ro·so·ma·tia/ (mak″ro-so-ma´shah) great bodily size.
macrosomiaA newborn with an excessive birth weight—typically defined as more than 4.0 kg at birth—which classically occurs in infants of diabetic mothers.
great bodily size.