Key clinical point: Prenatal exposure to hypertensive disorders during pregnancy (HDP), particularly preeclampsia and eclampsia, increased the risk for all-cause mortality in offspring from birth to young adulthood, with early-onset and severe preeclampsia exposure notably increasing the risk.
Major finding: Offspring exposed vs not exposed to maternal HDP were at a 26% higher risk for all-cause mortality (adjusted hazard ratio [aHR] 1.26; 95% CI 1.18-1.34), with the risk being 29% (aHR 1.29; 95% CI 1.20-1.38) and 188% (aHR 2.88; 95% CI 1.79-4.63) higher on exposure to preeclampsia and eclampsia, respectively. The all-cause mortality risk was much higher in offspring prenatally exposed to early-onset and severe preeclampsia (aHR 6.06; 95% CI 5.35-6.86).
Study details: This population-based cohort study included 2,437,718 offspring born between 1978 and 2018, of which 102,095 were prenatally exposed to maternal HDP.
Disclosures: This study was supported by the National Natural Science Foundation of China, Shanghai Rising-Star Program, Shanghai Municipal Natural Science Foundation, Shanghai Municipal Science and Technology Major Project, Independent Research Fund Denmark, Nordic Cancer Union, Karen Elise Jensens Fond, and Novo Nordisk Fonden. The authors declared receiving support from the sources funding the study.
Source: Huang C et al. Maternal hypertensive disorder of pregnancy and mortality in offspring from birth to young adulthood: National population based cohort study. BMJ. 2022;379:e072157 (Oct 19) Erratum: 2022;379:o2726. Doi: 10.1136/bmj-2022-072157