Assertion: primary amenorrhea | /r/CreatedBy | birth defects
Facets:
value: usually
type: DEGREE
Source sentences:
text: In some cases of primary amenorrhea caused by genetic disorders or birth defects, it is not possible to develop a normal menstruation cycle and amenorrhea can be permanent.
text: Primary amenorrhea is usually caused by a birth defect affecting the reproductive system, a genetic disorder, or disrupting of the pituitary gland's function.