The percentage of infants born at low birth weight (<2,500 grams) in U.S.
cities with populations over 100,000 declined slightly from 1989-2000, starting
at about 8.7% in 1989 and ending at 8.3% in 2000. The total U.S. rate began
at about 7.1% in 1989, and rose slowly to 7.6% in 2000.
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