During 2014 to 2016, the rate of preterm births in the United States increased, according to a June data brief published by the U.S. Centers for Disease Control and Prevention's National Center for Health Statistics (NCHS).
During 2014 to 2016, the rate of preterm births in the United States increased, according to a June data brief published by the U.S. Centers for Disease Control and Prevention's National Center for Health Statistics (NCHS).