California preterm birth rates by selected counties
California Factoid 12/04/2019
Los Angeles County: 9.0%
Orange County: 7.5%
Riverside County: 8.8%
San Bernardino County: 9.3%
San Diego County: 8.4%
Santa Clara County: 8.4%
Source: 2019 March of Dimes Report Card
News Region:
California