<P> Birth weight is the body weight of a baby at its birth . The average birth weight in babies of European heritage is 3.5 kilograms (7.7 lb), though the range of normal is between 2.5 kilograms (5.5 lb) and 5 kilograms (11 lb) (all but 5% of newborns will fall into this range). Babies of south Asian and Chinese heritage weigh about 240 grams (0.53 lb) less . </P> <P> There have been numerous studies that have attempted, with varying degrees of success, to show links between birth weight and later - life conditions, including diabetes, obesity, tobacco smoking and intelligence . Low birth weight is associated with neonatal infection . </P>

Minimum weight of baby at the time of delivery
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