Assertion: secondary amenorrhea | /r/CreatedBy | premature menopause
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Secondary amenorrhea is usually caused by hormonal imbalance such as polycystic ovarian syndrome, infertility, problems with reproductive organs, premature menopause, uterine scarring due to dilation and curettage, stress or drastic weight reduction.