The general fertility rate in the United States continued to decline last year, according to a new report from the US Centers for Disease Control and Prevention's National Center for Health Statistics.
원문출처 : https://www.cnn.com/2019/07/24/health/fertility-rate-births-2018-cdc-study/index.html
원문출처 : https://www.cnn.com/2019/07/24/health/fertility-rate-births-2018-cdc-study/index.html