Pregnancy-associated Plasma Protein-A(PAPP-A) is a macromolecule glycoprotein associated with pregnancy,which was first isolated from pregnant serum.

• 妊娠相关血浆蛋白-A(PAPP-A)最先是从孕妇血清中分离出来的一种与妊娠相关联的大分子糖蛋白。