TUESDAY, June 6, 2023 (HealthDay News) -- From 2016 to 2021, there was an increase in prepregnancy diabetes mellitus (PDM), with an overall rate of 10.9 per 1,000 births in 2021, according to the May 31 National Vital Statistics Reports, a publication from the U.S. Centers for Disease Control and Prevention. Elizabeth C.W. Gregory, M.P.H.,