Definition: Glycoproteins with the electrophoretic mobility of BETA-GLOBULINS, secreted by the placental TROPHOBLASTS into the maternal bloodstream during PREGNANCY. They can be detected 18 days after OVULATION and reach 200 mg/ml at the end of pregnancy. They are associated with fetal well-being.
Other names beta-Globulin, Trophoblastic; beta-1 Globulin, Pregnancy-Specific; beta 1-Glycoproteins, Pregnancy-Specific; beta 1 Globulin, Trophoblast Specific; Trophoblastic beta Globulin; Trophoblast-Specific beta-1 Glycoprotein; Trophoblast-Specific beta 1-Globulin; Trophoblast Specific beta 1 Glycoprotein; Protein, SP1 Pregnancy; Pregnancy Specific beta 1 Glycoproteins; Pregnancy Specific beta 1 Globulin; Pregnancy Protein, SP1; Pregnancy Associated Plasma Protein C; Pregnancy Associated Plasma Protein B; PSBG 1; PAPP B; beta-1 Glycoprotein, Trophoblast-Specific; beta 1-Glycoprotein, Pregnancy-Specific; Trophoblast-Specific beta 1-Glycoprotein; SP1 Pregnancy Protein