It was found that maternal venous Aldo and ANP were higher in normal pregnant women than those in non-pregnant women.

• 孕妇孕中、晚期和产时血浆中ANP显著高于未孕妇女,PIH患者血浆中ANP显著高于孕妇和未孕妇女。 ANP与妊娠病指数呈正相关;