25 Jul 2025 • A study of 1,354 nonsmoking postpartum women warns that partners who smoke both combustible cigarettes and new tobacco products markedly raise pregnancy risks.

Though most partners were nonsmokers (85.4%), 4.4% were dual users, whose exposure was tied to over fourfold higher odds of hypertensive disorders of pregnancy (HDP) (adjusted OR 4.54).

HDP and gestational diabetes mellitus (GDM) prevalence were 3.2% and 6.3%, respectively, spotlighting dual-use tobacco exposure at home as a critical, overlooked driver of pregnancy complications.

Source: Nature | Read Full Story