近年来 ,随着分子生物学的研究 ,妊娠高血压综合征 (妊高征 )的病因有了新的进展 ,比较公认的重要发病机理是血管内皮细胞激活、功能障碍和结构损伤 ,它是妊高征发病的一个重要环节。本文对近年来有关病因学研究进展综述如下。1　免疫学说　　胚胎是一种半同种移植物 ,妊娠成功 In recent years, with the molecular biology research, the cause of pregnancy-induced hypertension syndrome (PIH) has made new progress, the more recognized pathogenesis is the important vascular endothelial cell activation, dysfunction and structural damage, it is pregnancy Hypertension incidence of an important part. In this paper, the recent progress in the etiology of research are summarized below. 1 Immunology The embryo is a semi-allograft that succeeds in pregnancy