Assertion: amenorrhea's cause | /r/HasProperty | characterized by biochemical
Facets:
Source sentences:
text: The most common cause in this setting is polycystic ovarian syndrome (PCOS), which is characterized by anovulation, oligo-ovulation, androgen excess (clinical or biochemical), ultrasonographic demonstration of increased ovarian stroma and accumulation of antral follicles (polycystic appearance), and obesity.