Assertion: amenorrhea | /r/HasSubevent | reduction
Facets:
value: in bone
type: LOCATION
Source sentences:
text: But for women who are not pregnant, breastfeeding, menopausal or younger than 16, amenorrhea is worrisome because it can not only affect a woman's future fertility, it can lead to a reduction in bone mass and an increased risk for osteoporosis.