Assertion: amenorrhea | /r/HasProperty | characterized by absent menstrual periods
Facets:
Source sentences:
text: Amenorrhea is a menstrual condition characterized by absent menstrual periods for more than three monthly menstrual cycles.
text: Amenorrhea is a condition characterized by the absence of menstruation.
text: Amenorrhea is a condition characterized by complete stoppage or missing of menstrual periods (1).