health
New Research Ties Pre-Pregnancy Hypertension and Diabetes to Elevated Risk of Severe Fetal Heart Defects
A large U.S. analysis of more than 44 million births presented at the American Heart Association Scientific Sessions 2026 found that chronic hypertension before pregnancy raises the risk of critical congenital heart disease by 30 percent, while pre-existing diabetes increases it by 48 percent.
Admin · Nov 4, 2026 · 5 min read