Preconception Blood Pressure and Sex of the Baby: A Large Prospective Cohort Study in China
J Clin Hypertens (Greenwich). 2026 Aug;28(8):e70349. doi: 10.1111/jch.70349.ABSTRACTA recent study suggested an increase in male births associated with maternal preconception high blood pressure. Our objective was to examine this association. Data were obtained from the China-US Collaborative Projec

