Gonadotropin

**Semantic type:** Amino Acid, Peptide, or Protein|Hormone

**Definition:** Heterodimeric glycoprotein Gonadotropin consists of alpha (common)/beta (unique) protein subunits. The alpha subunit is present in other heterodimeric glycoprotein hormones. The beta subunit confers biological specificity and stimulates ovarian synthesis of steroids (progesterone) to maintain pregnancy.