Assertion: amenorrhea's cause | /r/HasProperty | due
Facets:
value: often
type: DEGREE
Source sentences:
text: The cause is usually congenital, i.e. from birth, and can be due to genetic or chromosomal abnormalities or due to a defect in the development of the reproductive tract.
text: The distinction between primary and secondary amenorrhea is made because the causes of primary amenorrhea are often due to genetic or anatomic abnormalities.