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Medical Term:

ß-human chorionic gonadotropin


Definition: a 145-amino acid subunit unique to HCG, which has the same a-chain as FSH, LH, and TSH. Pregnancy tests specific for ß-HCG are more sensitive because there is no confusion with other gonadotropins secreted by the pituitary.

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.