Low/Very low Birthweight by County

This table contains the percent of live births with low birthweight and very low birthweight by maternal county of residence. Low birthweight are live births weighing less than 2,500 grams (approximately 5 pounds, 8 ounces). Very low birthweight are live births weighing less than 1,500 grams (approximately 3 pounds, 5 ounces). Low and very low birthweight can be associated with very serious health problems for the infant and can lead to certain serious health conditions later in life. Data includes births with birthweight of 227 to 8,165 grams and excludes non-California residents.