ROCKVILLE, Maryland, June 4 (TNSJou) -- The National Institutes of Health's Eunice Kennedy Shriver National Institute of Child's Health and Human Development issued the following science update: Women in the first trimester of pregnancy when President John F. Kennedy was assassinated in 1963 were more likely to deliver preterm compared to women who gave birth before the assassination, according to an analysis by NIH-funded researchers. The findings suggest that experiencing a sudden stress earl  more