Abstract:A radioimmunoassay system for the glycoprotein β1SP1,, one of the pregnancy-associated proteins, has been set up. β1SP1 levels in normal pregnancy have been established transversally. Clearance (t½) from the circulation postpartum ranged from 1.4 to 1.8 days. Several patients with trophoblastic disease, e.g., mola hydatidosa, choriocarcinoma and embryonic cell carcinoma, were followed longitudinally. Human chorionic gonadotropin (hCG), a highly reliable tumor marker … Show more
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