serum placental protein 12 ( pp12 ) levels were determined in 34 women with threatened miscarriage in whom a diagnosis of anembryonic pregnancy ( n = 19 ) , missed abortion ( n = 4 ) , complete or incomplete abortion ( n = 5 ) , hydatidiform mole ( n = 1 ) and subsequent abortion of a live fetus ( n = 5 ) , was made ultrasonically and confirmed by histological examination .
C0000814
missed abortion
C0156543
abortion